{"title":"Fish Tank Intake \u0026 Drainage Joints","description":"\u003cp\u003eManage your aquarium's complete water circulation flawlessly with Atradesen's intake and drainage joints. Manufactured from industrial-grade PVC and durable hardware, these essential fittings are engineered to create secure, leak-free connections across your entire filtration and plumbing system. Whether you are optimizing water inflow to your pumps or ensuring safe, heavy-duty water disposal, our comprehensive intake and drainage solutions provide the ultimate reliability needed to prevent catastrophic leaks and maintain a thriving, balanced aquatic ecosystem.\u003c\/p\u003e","products":[{"product_id":"premium-pvc-aquarium-dual-level-water-plug-manual-drain-bulkhead-fitting","title":"Premium PVC Aquarium Dual-Level Water Plug - Manual Drain Bulkhead Fitting","description":"\u003ch2\u003ePremium PVC Aquarium Dual-Level Water Plug\u003c\/h2\u003e\u003cp\u003eUpgrade your overflow system or create a simple manual drain with our Premium PVC Dual-Level Water Plug. Installed directly onto your overflow weir glass or water tank, this clever bulkhead allows you to easily switch to a lower water level simply by unscrewing the cap—draining excess water without needing a bulky, expensive ball valve. Manufactured from high-quality, durable PVC, it provides incredible strength and a permanent watertight seal for both freshwater and marine tanks. Get your professional DIY plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our Dual-Level Plug?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Level Overflow Control:\u003c\/strong\u003e Perfect for sump overflows and water holding vats. Remove the threaded plug to instantly lower the water level during maintenance, feeding, or adjustments, saving you significant plumbing space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium PVC Construction:\u003c\/strong\u003e Molded from robust, aquarium-safe PVC material that resists cracking, high water pressure, and degradation over time, ensuring a safe and leak-proof installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Clamping \u0026amp; Sizing:\u003c\/strong\u003e Models A and B securely clamp onto glass up to 15mm thick. Model C handles ultra-thick glass up to 25mm (the external plastic threads can be easily sawed shorter for a flush fit on thinner walls).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Installation Guide:\u003c\/b\u003e\u003c\/strong\u003e Installation requires a pre-drilled hole in your glass or acrylic panel. Carefully match your drilled hole aperture (ranging from 20mm up to 60mm) to the correct model variant. Always ensure the rubber sealing gaskets are positioned correctly on the wet side before tightening the back nut to guarantee a secure, leak-free seal.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dual-Level Water Plug \/ Manual Drain Bulkhead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Glass Thickness:\u003c\/strong\u003e Up to 15mm (Model A\/B) \/ Up to 25mm (Model C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel A Hole Aperture:\u003c\/strong\u003e 57-60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel B Hole Aperture:\u003c\/strong\u003e 48-55mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel C Hole Aperture:\u003c\/strong\u003e 20-45mm (Multiple Options Available)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Model A - Aperture 57-60mm (Grey)","offer_id":56349940252838,"sku":"Aquarium_DIY_095","price":8.82,"currency_code":"USD","in_stock":true},{"title":"Model B - Aperture 48-55mm (Grey)","offer_id":56349940285606,"sku":"Aquarium_DIY_096","price":8.82,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 40-45mm (Blue)","offer_id":56349940318374,"sku":"Aquarium_DIY_097","price":6.37,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 32-37mm (Blue)","offer_id":56461580599462,"sku":null,"price":5.82,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 25-30mm (Blue)","offer_id":56461580632230,"sku":null,"price":5.32,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 20-24mm (Blue)","offer_id":56461580664998,"sku":null,"price":4.82,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 40-45mm (Black)","offer_id":56461580697766,"sku":null,"price":6.37,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 32-37mm (Black)","offer_id":56461580730534,"sku":null,"price":5.82,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 25-30mm (Black)","offer_id":56461580763302,"sku":null,"price":5.32,"currency_code":"USD","in_stock":true},{"title":"Model C - Aperture 20-24mm (Black)","offer_id":56461580796070,"sku":null,"price":4.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Dual-Level_Water_Plug_-_Manual_Drain_Bulkhead_Fitting-010.png?v=1778567312"},{"product_id":"premium-50mm-extra-large-high-flow-bulkhead-drain-fitting-1-5-female-thread-tank-adapter","title":"Premium 50mm Extra Large High Flow Bulkhead Drain Fitting - 1.5\" Female Thread Tank Adapter","description":"\u003ch2\u003ePremium 50mm Extra Large High Flow Bulkhead Drain\u003c\/h2\u003e\u003cp\u003eUpgrade your large aquarium, seafood holding tank, or pond filtration system with our Premium 50mm Extra Large High Flow Bulkhead Drain. Engineered for rapid water changes and heavy-duty bottom drainage, this robust bulkhead fitting guarantees a massive, unobstructed flow. Designed to seamlessly connect to 50mm outer diameter rigid pipes, it also features an internal thread and comes complete with a secure threaded plug cap for temporary sealing or overflow management. Build your professional aquatic drainage system with top-tier hardware from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our High Flow Drain?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive 50mm Flow Rate:\u003c\/strong\u003e Specifically designed for large-volume water management, preventing pump overflow and ensuring rapid, efficient drainage during routine tank maintenance and water changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick Wall Compatibility:\u003c\/strong\u003e Features an extended 35mm thread length on the main body, allowing it to securely clamp onto heavy-duty glass, acrylic, or fiberglass tank walls up to 15mm thick without compromising structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 1.5\" Female Thread \u0026amp; Plug:\u003c\/strong\u003e The internal 1.5-inch (46mm diameter) female thread offers incredible versatility. You can easily screw in the included blue plug to seal the drain, or attach other 1.5\" threaded filtration components like strainers and standpipes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Crucial Installation Guide:\u003c\/b\u003e\u003c\/strong\u003e This bulkhead requires a precise \u003cstrong\u003e60mm hole cutout\u003c\/strong\u003e in your tank wall. The bottom slip end connects directly to standard \u003cstrong\u003e50mm Outer Diameter (OD) rigid pipes\u003c\/strong\u003e. Always ensure the silicone sealing gaskets are placed correctly on the wet side (inside) of the tank before tightening the external locking nut to guarantee a 100% leak-proof seal.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e High Flow Bulkhead Fitting \/ Drain Adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Cutout Required:\u003c\/strong\u003e 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Tank Wall Thickness:\u003c\/strong\u003e Up to 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Connection:\u003c\/strong\u003e Fits 50mm OD Rigid Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Thread:\u003c\/strong\u003e 1.5 Inch Female Thread (46mm diameter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Bulkhead body, locking nut, sealing gaskets, and threaded plug cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Default Title","offer_id":56349943759014,"sku":"Aquarium_DIY_208","price":7.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_50mm_Extra_Large_High_Flow_Bulkhead_Drain_Fitting_-_1.5_Female_Thread_Tank_Adapter-002.png?v=1778554701"},{"product_id":"heavy-duty-upvc-tank-bulkhead-fitting-20-63mm-water-inlet-outlet-connector-aquarium-reservoir-plumbing","title":"Heavy-Duty UPVC Tank Bulkhead Fitting (20-63mm) | Water Inlet Outlet Connector | Aquarium \u0026 Reservoir Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need threaded connections for valves? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-upgraded-aquarium-bulkhead-fitting-thickened-pvc-inflow-outflow-tank-connector\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eHybrid Female Thread x Socket Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHeavy-Duty UPVC Tank Inlet\/Outlet Connector\u003c\/h2\u003e\u003cp\u003eBuild a reliable, leak-free water storage system with our robust UPVC tank bulkheads from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for aquariums, agricultural reservoirs, IBC totes, and industrial water tanks, this fitting provides a secure glue-in connection for your metric PVC hard pipes.\u003c\/p\u003e\u003ch3\u003e💧 Industrial-Grade Reliability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Glue Connection:\u003c\/strong\u003e Designed with a smooth socket inner diameter for permanent, high-pressure cold-weld joining using standard PVC cement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick Wall Compatibility:\u003c\/strong\u003e Features an extended threaded body capable of clamping onto extra-thick tank walls (up to 25mm depending on the size).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium UPVC \u0026amp; Seals:\u003c\/strong\u003e Includes thick sealing washers and a wide flanged base to ensure a watertight grip against flat plastic, glass, or metal surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid installation errors! Please review the precise Atradesen.com drill hole and clamping specs below before ordering:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D.:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Thread O.D: 25mm | \u003cb\u003eDrill Hole: 27-30mm | Max Wall: 24mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D.:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Thread O.D: 32mm | \u003cb\u003eDrill Hole: 33-35mm | Max Wall: 22mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D.:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Thread O.D: 40mm | \u003cb\u003eDrill Hole: 42-45mm | Max Wall: 25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D.:\u003c\/strong\u003e Fits 40mm O.D. Pipe | Thread O.D: 50mm | \u003cb\u003eDrill Hole: 54-60mm | Max Wall: 20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D.:\u003c\/strong\u003e Fits 50mm O.D. Pipe | Thread O.D: 63mm | \u003cb\u003eDrill Hole: 60-65mm | Max Wall: 20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D.:\u003c\/strong\u003e Fits 63mm O.D. Pipe | Thread O.D: 75mm | \u003cb\u003eDrill Hole: 75-80mm | Max Wall: 22mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eEquip your custom filtration systems with the most reliable plumbing parts at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"Inner Dia.20mm","offer_id":56349949919398,"sku":"Fish_Tank_002","price":8.27,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.25mm","offer_id":56349949886630,"sku":"Fish_Tank_001","price":9.12,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.32mm","offer_id":56349949952166,"sku":"Fish_Tank_003","price":12.12,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.40mm","offer_id":56349950050470,"sku":"Fish_Tank_006","price":15.44,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.50mm","offer_id":56349949984934,"sku":"Fish_Tank_004","price":17.64,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.63mm","offer_id":56349950017702,"sku":"Fish_Tank_005","price":20.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Heavy-Duty_UPVC_Tank_Bulkhead_Fitting_20-63mm_Water_Inlet_Outlet_Connector_Aquarium_Reservoir_Plumbing-001.jpg?v=1778754015"},{"product_id":"premium-pvc-aquarium-90-degree-elbow-bulkhead-fitting-water-tank-inlet-outlet-joint","title":"Premium PVC Aquarium 90-Degree Elbow Bulkhead Fitting - Water Tank Inlet Outlet Joint","description":"\u003ch2\u003ePremium PVC 90-Degree Elbow Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eCreate a secure, space-saving plumbing connection for your aquarium overflow or water storage tank with our Premium PVC 90-Degree Elbow Bulkhead Fittings. Featuring an extended full outer thread design, this versatile connector easily adapts to both ultra-thin and thick glass or acrylic walls without the need to manually saw off excess threading. Manufactured from high-quality, pure PVC and equipped with premium silicone sealing gaskets, it ensures long-lasting durability and absolute waterproofing for both freshwater and marine environments. Get your professional aquatic plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our Elbow Bulkhead Fittings?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving 90-Degree Design:\u003c\/strong\u003e The integrated elbow allows for immediate directional plumbing changes right at the bulkhead, perfect for tight spaces behind aquariums or inside crowded sump cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Full-Thread Design:\u003c\/strong\u003e The fully threaded outer body allows for a perfect, tight fit on tank walls of varying thicknesses. You no longer need to cut short the threaded pipe for thinner glass—simply tighten the nut for a secure hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Proof Silicone Gasket:\u003c\/strong\u003e Unlike standard rubber rings that harden and crack over time, our included high-quality silicone gaskets provide superior, long-lasting sealing performance under high water pressure, ensuring zero leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Installation Guide:\u003c\/b\u003e\u003c\/strong\u003e The size listed in the options refers to the \u003cstrong\u003eInterface Inner Diameter (ID)\u003c\/strong\u003e, which corresponds to the Outer Diameter (OD) of the PVC pipe you are connecting. Please follow these drilling specifications: \u003cstrong\u003e20mm ID\u003c\/strong\u003e (Hole 20-23mm, Clamps 0-15mm), \u003cstrong\u003e25mm ID\u003c\/strong\u003e (Hole 25-28mm, Clamps 0-20mm), \u003cstrong\u003e32mm ID\u003c\/strong\u003e (Hole 32-35mm, Clamps 0-20mm), \u003cstrong\u003e40mm ID\u003c\/strong\u003e (Hole 40-43mm, Clamps 0-22mm), and \u003cstrong\u003e50mm ID\u003c\/strong\u003e (Hole 50-55mm, Clamps 0-25mm). Apply aquarium-safe PVC solvent cement to bond your pipe into the slip socket.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e 90-Degree Elbow Bulkhead \/ Aquarium Inlet\/Outlet Joint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Quality PVC \u0026amp; Silicone Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e PVC Solvent Weld (Slip Fit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Blue, White, Gray, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Aquarium sumps, overflow boxes, aquaculture tanks, hydroponic reservoirs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Blue \/ Inner Dia.20mm","offer_id":56349950083238,"sku":"Fish_Tank_007","price":2.44,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.25mm","offer_id":56349950116006,"sku":"Fish_Tank_008","price":2.69,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.32mm","offer_id":56349950148774,"sku":"Fish_Tank_009","price":4.02,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.40mm","offer_id":56349950181542,"sku":"Fish_Tank_010","price":4.63,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.50mm","offer_id":56349950214310,"sku":"Fish_Tank_011","price":5.55,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.20mm","offer_id":56349950247078,"sku":"Fish_Tank_012","price":2.44,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.25mm","offer_id":56349950279846,"sku":"Fish_Tank_013","price":3.12,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.32mm","offer_id":56349950312614,"sku":"Fish_Tank_014","price":4.02,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.40mm","offer_id":56349950345382,"sku":"Fish_Tank_015","price":4.63,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.50mm","offer_id":56349950378150,"sku":"Fish_Tank_016","price":5.55,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.20mm","offer_id":56349950410918,"sku":"Fish_Tank_017","price":2.44,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.25mm","offer_id":56349950443686,"sku":"Fish_Tank_018","price":3.12,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.32mm","offer_id":56349950476454,"sku":"Fish_Tank_019","price":4.02,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.40mm","offer_id":56349950509222,"sku":"Fish_Tank_020","price":4.63,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.50mm","offer_id":56349950541990,"sku":"Fish_Tank_021","price":5.55,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.20mm","offer_id":56467377160358,"sku":null,"price":2.44,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.25mm","offer_id":56467377193126,"sku":null,"price":3.12,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.32mm","offer_id":56467377225894,"sku":null,"price":4.02,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.40mm","offer_id":56467377258662,"sku":null,"price":4.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.50mm","offer_id":56467377291430,"sku":null,"price":5.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_90-Degree_Elbow_Bulkhead_Fitting_-_Water_Tank_Inlet_Outlet_Joint-003.jpg?v=1778723753"},{"product_id":"heavy-duty-pvc-water-tank-bulkhead-fitting-2-to-4-industrial-ibc-tote-drain-connector","title":"Heavy-Duty PVC Water Tank Bulkhead Fitting (2\" to 4\") - Industrial IBC Tote Drain Connector","description":"\u003ch2\u003eHeavy-Duty PVC Industrial Water Tank Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eEngineered for maximum flow and high-pressure commercial environments, our Heavy-Duty PVC Bulkhead Fittings are the ultimate solution for industrial storage tanks, IBC totes, agricultural irrigation vats, and large-scale aquaculture setups. Supporting pipe diameters from 2 inches up to a massive 4 inches (110mm), these rugged connectors securely clamp onto thick tank walls (up to 30mm thick). Choose between Slip Socket or Female Thread connections to build a fail-proof industrial drainage or inflow system. Find commercial-grade plumbing supplies at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eCrucial Installation Guide \u0026amp; Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Clamping:\u003c\/strong\u003e Features an extended thread length (up to 60mm) allowing it to securely grip heavy-duty tank walls ranging from 22mm up to 30mm thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Thread Locking (Important):\u003c\/strong\u003e The external thread on the main body is a REVERSE (left-handed) thread. This prevents the bulkhead from loosening when you screw pipes into the inner thread. The outer thread is strictly for the locking nut, not for attaching other plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Drilling Required:\u003c\/strong\u003e The hole drilled in your vat must match the outer thread OD. 63mm (2\") requires a 78mm hole, 75mm (2.5\") requires 100mm, 90mm (3\") requires 110mm, and 110mm (4\") requires a 133mm hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e🔗 Related Products \u0026amp; Alternative Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilding a smaller DIY project?\u003c\/strong\u003e Shop our \u003ca href=\"https:\/\/atradesen.com\/products\/premium-pvc-aquarium-bulkhead-fitting-1-2-to-1-5-rain-barrel-water-tank-connector-slip-thread\" target=\"_blank\" title=\"Shop Aquarium \u0026amp; Rain Barrel Bulkheads\"\u003eAquarium \u0026amp; Rain Barrel Bulkheads (1\/2\" to 1.5\" sizes)\u003c\/a\u003e for standard tank filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal it perfectly:\u003c\/strong\u003e Pair your female-threaded fittings with our professional \u003ca href=\"#\" target=\"_blank\" title=\"Shop Teflon Thread Seal Tape\"\u003eTeflon Thread Seal Tape\u003c\/a\u003e to prevent micro-leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed flexible routing?\u003c\/strong\u003e Check out our heavy-duty \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Elbows and Tees\"\u003ePVC Elbows and Tees\u003c\/a\u003e to complete your commercial pipework.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Industrial Bulkhead Fitting \/ IBC Tote Drain Adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e 63mm (2\"), 75mm (2.5\"), 90mm (3\"), 110mm (4\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Thickness:\u003c\/strong\u003e 22mm to 30mm (Depending on size)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Slip Socket \/ 63mm (2\")","offer_id":56349950574758,"sku":"Fish_Tank_022","price":15.36,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 75mm (2.5\")","offer_id":56349950607526,"sku":"Fish_Tank_023","price":31.37,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 90mm (3\")","offer_id":56349950640294,"sku":"Fish_Tank_024","price":43.52,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 110mm (4\")","offer_id":56349950673062,"sku":"Fish_Tank_025","price":70.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 63mm (2\")","offer_id":56349950771366,"sku":"Fish_Tank_028","price":15.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 75mm (2.5\")","offer_id":56349950804134,"sku":"Fish_Tank_029","price":31.37,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 90mm (3\")","offer_id":56349950836902,"sku":"Fish_Tank_030","price":43.52,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 110mm (4\")","offer_id":56349950869670,"sku":"Fish_Tank_031","price":70.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 63mm (2\")","offer_id":56467698385062,"sku":null,"price":19.35,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 75mm (2.5\")","offer_id":56467698417830,"sku":null,"price":40.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 90mm (3\")","offer_id":56467698450598,"sku":null,"price":45.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 110mm (4\")","offer_id":56467698483366,"sku":null,"price":72.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Bulkhead_Fitting_12_to_1.5_-_Rain_Barrel_Water_Tank_Connector_SlipThread_-002.jpg?v=1778724658"},{"product_id":"small-abs-elbow-hose-drain-connector-3-8-3-4-90-barbed-bulkhead-for-soft-tube-mini-aquarium-water-dispenser","title":"Small ABS Elbow Hose Drain Connector (3\/8\"-3\/4\") | 90° Barbed Bulkhead for Soft Tube | Mini Aquarium \u0026 Water Dispenser","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need larger hard-pipe connections for a massive sump? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/heavy-duty-upvc-tank-bulkhead-fitting-20-63mm-water-inlet-outlet-connector-aquarium-reservoir-plumbing\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eHeavy-Duty UPVC Tank Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eCompact ABS Elbow Barbed Drain Connector\u003c\/h2\u003e\u003cp\u003eMaximize your confined spaces with our compact hose drain connectors at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Engineered specifically for small aquariums, drinking water dispensers, and mini reservoirs, this fitting allows you to connect flexible soft hoses directly to your tank with zero hassle.\u003c\/p\u003e\u003ch3\u003e🌟 Perfect for Micro \u0026amp; Mini Setups\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving 90° Elbow:\u003c\/strong\u003e Directs the soft tubing immediately parallel to the tank wall, preventing hose kinks and saving precious clearance space behind your setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Soft Hose Connection:\u003c\/strong\u003e The barbed outlet grips tightly onto flexible silicone, vinyl, or rubber tubing without needing extra adapters or messy PVC glue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium ABS \u0026amp; Silicone:\u003c\/strong\u003e Crafted from lightweight, durable ABS plastic with a high-grade silicone washer for a guaranteed leak-proof seal on thin glass or plastic walls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing Specifications (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid leaks by matching your hose size correctly! Please review the Atradesen.com specs based on the thread size you choose:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\" Thread Model:\u003c\/strong\u003e Features a \u003cb\u003e14mm O.D. Barb\u003c\/b\u003e (Best fits soft hoses with ~12-14mm Inner Diameter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" Thread Model:\u003c\/strong\u003e Features a \u003cb\u003e14mm O.D. Barb\u003c\/b\u003e (Best fits soft hoses with ~12-14mm Inner Diameter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" Thread Model:\u003c\/strong\u003e Features a \u003cb\u003e20mm O.D. Barb\u003c\/b\u003e (Best fits soft hoses with ~18-20mm Inner Diameter).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"3\/8\" Black (14mm Barb O.D.)","offer_id":56349950967974,"sku":"Fish_Tank_034","price":3.01,"currency_code":"USD","in_stock":true},{"title":"3\/8\" Gray (14mm Barb O.D.)","offer_id":56468395458726,"sku":null,"price":3.01,"currency_code":"USD","in_stock":true},{"title":"1\/2\" Gray (14mm Barb O.D.)","offer_id":56468395491494,"sku":null,"price":3.01,"currency_code":"USD","in_stock":false},{"title":"3\/4\" White (20mm Barb O.D.)","offer_id":56468395524262,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Small_ABS_Elbow_Hose_Drain_Connector_38-34_90_Barbed_Bulkhead_for_Soft_Tube_Mini_Aquarium_Water_Dispenser-001.jpg?v=1778756958"},{"product_id":"premium-upgraded-aquarium-bulkhead-fitting-thickened-pvc-inflow-outflow-tank-connector","title":"Premium Upgraded Aquarium Bulkhead Fitting - Thickened PVC Inflow Outflow Tank Connector","description":"\u003ch2\u003ePremium Upgraded Aquarium Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eUpgrade your aquarium's bottom filtration system with our newly upgraded Premium PVC Bulkhead Fittings. Manufactured with thickened, heavy-duty materials and equipped with an eco-friendly silicone gasket, these straight inflow\/outflow connectors provide a superior, leak-proof seal for your sump and water tanks. Whether you are building a custom reef tank or a commercial aquaculture system, find your professional plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our Upgraded Bulkheads?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickened Durability:\u003c\/strong\u003e The newly upgraded design features thicker walls to withstand high water pressure and prevent cracking over time, ensuring maximum safety for your aquatic livestock and living room floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly Silicone Seal:\u003c\/strong\u003e Comes standard with a premium, non-toxic silicone gasket that outperforms standard rubber, offering excellent elasticity and a flawless, watertight seal against your glass or acrylic tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Clamping Range:\u003c\/strong\u003e Designed to securely clamp glass or boards ranging from 8mm to 20mm in thickness. \u003cem\u003e(Pro Tip: If your aquarium glass is thinner than 8mm, simply saw 5-10mm off the threaded pipe section for a perfect, flush fit.)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Drilling \u0026amp; Sizing Guide:\u003c\/b\u003e\u003c\/strong\u003e The selected size indicates the \u003cstrong\u003eInner Diameter (ID)\u003c\/strong\u003e of the fitting's socket. Please follow these drilling specifications carefully: \u003cstrong\u003e20mm ID\u003c\/strong\u003e (Requires 20mm hole), \u003cstrong\u003e25mm ID\u003c\/strong\u003e (Requires 25.5mm hole), \u003cstrong\u003e32mm ID\u003c\/strong\u003e (Requires 32mm hole), \u003cstrong\u003e40mm ID\u003c\/strong\u003e (Requires 40mm+ hole), and \u003cstrong\u003e50mm ID\u003c\/strong\u003e (Requires 50mm hole).\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Aquarium Inflow\/Outflow Connector \/ Straight Bulkhead Fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Thickness:\u003c\/strong\u003e 8-20mm (Easily modifiable for glass under 8mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Upgraded Thickened PVC \u0026amp; Eco-Silicone Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Black, Blue, White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Aquarium bottom filtration, sumps, overflow boxes, water tanks\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Black \/ inner Dia 20mm","offer_id":56349951000742,"sku":"Fish_Tank_035","price":2.17,"currency_code":"USD","in_stock":true},{"title":"Black \/ inner Dia 25mm","offer_id":56349951033510,"sku":"Fish_Tank_036","price":2.6,"currency_code":"USD","in_stock":true},{"title":"Black \/ inner Dia 32mm","offer_id":56349951066278,"sku":"Fish_Tank_037","price":3.12,"currency_code":"USD","in_stock":true},{"title":"Black \/ inner Dia 40mm","offer_id":56349951099046,"sku":"Fish_Tank_038","price":3.62,"currency_code":"USD","in_stock":true},{"title":"Black \/ inner Dia 50mm","offer_id":56349951131814,"sku":"Fish_Tank_039","price":4.09,"currency_code":"USD","in_stock":true},{"title":"Blue \/ inner Dia 20mm","offer_id":56349951164582,"sku":"Fish_Tank_040","price":2.17,"currency_code":"USD","in_stock":true},{"title":"Blue \/ inner Dia 25mm","offer_id":56349951197350,"sku":"Fish_Tank_041","price":2.6,"currency_code":"USD","in_stock":true},{"title":"Blue \/ inner Dia 32mm","offer_id":56349951230118,"sku":"Fish_Tank_042","price":3.12,"currency_code":"USD","in_stock":true},{"title":"Blue \/ inner Dia 40mm","offer_id":56349951262886,"sku":"Fish_Tank_043","price":3.62,"currency_code":"USD","in_stock":true},{"title":"Blue \/ inner Dia 50mm","offer_id":56349951295654,"sku":"Fish_Tank_044","price":4.09,"currency_code":"USD","in_stock":true},{"title":"White \/ inner Dia 20mm","offer_id":56349951328422,"sku":"Fish_Tank_045","price":2.17,"currency_code":"USD","in_stock":true},{"title":"White \/ inner Dia 25mm","offer_id":56349951361190,"sku":"Fish_Tank_046","price":2.6,"currency_code":"USD","in_stock":true},{"title":"White \/ inner Dia 32mm","offer_id":56349951393958,"sku":"Fish_Tank_047","price":3.12,"currency_code":"USD","in_stock":true},{"title":"White \/ inner Dia 40mm","offer_id":56349951426726,"sku":"Fish_Tank_048","price":3.62,"currency_code":"USD","in_stock":true},{"title":"White \/ inner Dia 50mm","offer_id":56349951459494,"sku":"Fish_Tank_049","price":4.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_Upgraded_Aquarium_Bulkhead_Fitting_-_Thickened_PVC_Inflow_Outflow_Tank_Connector-003.jpg?v=1778724081"},{"product_id":"complete-pvc-l-shape-drain-valve-kit-20-50mm-pointed-tank-bulkhead-with-side-handle-valve-pipes-aquarium-diy-set","title":"Complete PVC L-Shape Drain Valve Kit (20-50mm)  Pointed Tank Bulkhead with Side-Handle Valve \u0026 Pipes  Aquarium DIY Set","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #dc3545; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Already have valves and pipes? Just need the bulkhead? Check out our standalone \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-aquarium-pvc-drain-joint-20-50mm-anti-clog-slotted-tank-bulkhead-fitting-with-silicone-seal\" style=\"color: #dc3545; text-decoration: underline;\"\u003eAnti-Clog PVC Drain Joints\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eComplete PVC L-Shape Drain Valve Kit\u003c\/h2\u003e\u003cp\u003eBuild your custom tank drainage system instantly with this all-in-one DIY kit from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a space-saving pointed elbow design and a convenient side-handle ball valve, this set provides everything you need to control water flow efficiently in aquariums, sumps, and reservoirs.\u003c\/p\u003e\u003ch3\u003e📦 What's Included in the Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x L-Shape Drain Joint:\u003c\/strong\u003e Features an anti-clog slotted cover for thorough drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Side-Handle Ball Valve:\u003c\/strong\u003e Easy to operate, perfect for tight spaces against the tank wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x PVC Pipe Sections:\u003c\/strong\u003e Includes one 10cm and one 20cm pipe. (Pipes can be custom-cut to your desired length with a handsaw on-site).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e💡 Installation \u0026amp; Assembly Tips (Please Read)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Unassembled:\u003c\/strong\u003e This kit is shipped as separate components for total customization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Method:\u003c\/strong\u003e For low water pressure setups, parts can be push-fit directly without leaking. For high-pressure environments, \u003cstrong\u003ePVC cement\/glue is required\u003c\/strong\u003e to bond the pipes and valve (glue not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Advice:\u003c\/strong\u003e For the best seal on the bulkhead, wrap the threaded sections with Teflon\/PTFE tape before tightening. Please place the included single silicone gasket on the \u003cb\u003esmooth outer wall\u003c\/b\u003e of your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease match your requirements with the Atradesen.com specifications below before purchasing:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Kit:\u003c\/strong\u003e Pipe O.D: 20mm | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Kit:\u003c\/strong\u003e Pipe O.D: 25mm | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Kit:\u003c\/strong\u003e Pipe O.D: 32mm | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Kit:\u003c\/strong\u003e Pipe O.D: 40mm | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Kit:\u003c\/strong\u003e Pipe O.D: 50mm | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Gray \/ 20mm","offer_id":56349951656102,"sku":"Fish_Tank_055","price":4.52,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 25mm","offer_id":56349951688870,"sku":"Fish_Tank_056","price":6.03,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 32mm","offer_id":56349951721638,"sku":"Fish_Tank_057","price":9.02,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 40mm","offer_id":56349951754406,"sku":"Fish_Tank_058","price":12.12,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 50mm","offer_id":56349951787174,"sku":"Fish_Tank_059","price":18.27,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 20mm","offer_id":56349951492262,"sku":"Fish_Tank_050","price":4.52,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 25mm","offer_id":56349951525030,"sku":"Fish_Tank_051","price":6.03,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 32mm","offer_id":56349951557798,"sku":"Fish_Tank_052","price":9.02,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 40mm","offer_id":56349951590566,"sku":"Fish_Tank_053","price":12.12,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 50mm","offer_id":56349951623334,"sku":"Fish_Tank_054","price":18.27,"currency_code":"USD","in_stock":true},{"title":"White \/ 20mm","offer_id":56349951819942,"sku":"Fish_Tank_060","price":4.52,"currency_code":"USD","in_stock":true},{"title":"White \/ 25mm","offer_id":56349951852710,"sku":"Fish_Tank_061","price":6.03,"currency_code":"USD","in_stock":true},{"title":"White \/ 32mm","offer_id":56349951885478,"sku":"Fish_Tank_062","price":9.02,"currency_code":"USD","in_stock":true},{"title":"White \/ 40mm","offer_id":56349951918246,"sku":"Fish_Tank_063","price":12.12,"currency_code":"USD","in_stock":true},{"title":"White \/ 50mm","offer_id":56349951951014,"sku":"Fish_Tank_064","price":18.27,"currency_code":"USD","in_stock":true},{"title":"Black \/ 20mm","offer_id":56468281688230,"sku":null,"price":5.32,"currency_code":"USD","in_stock":true},{"title":"Black \/ 25mm","offer_id":56468281720998,"sku":null,"price":6.97,"currency_code":"USD","in_stock":true},{"title":"Black \/ 32mm","offer_id":56468281753766,"sku":null,"price":11.56,"currency_code":"USD","in_stock":true},{"title":"Black \/ 40mm","offer_id":56468281786534,"sku":null,"price":14.37,"currency_code":"USD","in_stock":true},{"title":"Black \/ 50mm","offer_id":56468281819302,"sku":null,"price":22.35,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20mm","offer_id":56468281852070,"sku":null,"price":4.52,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25mm","offer_id":56468281884838,"sku":null,"price":6.03,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32mm","offer_id":56468281917606,"sku":null,"price":9.02,"currency_code":"USD","in_stock":true},{"title":"Red \/ 40mm","offer_id":56468281950374,"sku":null,"price":12.12,"currency_code":"USD","in_stock":true},{"title":"Red \/ 50mm","offer_id":56468281983142,"sku":null,"price":18.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Complete_PVC_L-Shape_Drain_Valve_Kit_20-50mm_Pointed_Tank_Bulkhead_with_Side-Handle_Valve_Pipes_Aquarium_DIY_Set-001.jpg?v=1778753176"},{"product_id":"premium-aquarium-strong-drain-complete-set-20-25mm-water-change-bulkhead-valve-kit-diy-plumbing","title":"Premium Aquarium Strong Drain Complete Set (20\/25mm) | Water Change Bulkhead \u0026 Valve Kit | DIY Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #dc3545; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Only need the bulkhead without the valve and pipes? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-upvc-raised-cap-aquarium-drain-20-25mm-360-intake-bottom-bulkhead-valve-kit-anti-clog-plumbing?_pos=2\u0026amp;_sid=8c32cac70\u0026amp;_ss=r\" style=\"color: #dc3545; text-decoration: underline;\"\u003eStandalone Aquarium Drain Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eComplete Aquarium Strong Drain \u0026amp; Water Change Kit\u003c\/h2\u003e\u003cp\u003eMake routine water changes incredibly fast and mess-free with the Complete Strong Drain Kit from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed for sumps, bare-bottom tanks, and heavy-duty filtration setups, this all-in-one plumbing set allows you to instantly drain water or flush out bottom detritus with the simple turn of a valve.\u003c\/p\u003e\u003ch3\u003e📦 Complete DIY Plumbing Set\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Inclusive Kit:\u003c\/strong\u003e Every set includes 1x Heavy-Duty Drain Bulkhead, 1x PVC Ball Valve, and 2x PVC Pipe Sections (10cm + 20cm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Glass Compatibility:\u003c\/strong\u003e The threaded bulkhead safely clamps onto glass or acrylic tanks up to \u003cb\u003e15mm\u003c\/b\u003e thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Layout:\u003c\/strong\u003e We offer 6 different bulkhead styles (Straight, Elbow, Large, Small, etc.) to perfectly match your pre-drilled hole size and cabinet space.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Assembly \u0026amp; Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease read the Atradesen.com installation rules carefully before ordering to ensure a leak-proof setup:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 SHIPPED UNASSEMBLED:\u003c\/strong\u003e This is a DIY kit. The parts are shipped loose so you can cut the 10cm\/20cm pipes to your exact desired length on-site. \u003cb\u003ePVC cement\/waterproof glue MUST be used\u003c\/b\u003e to permanently secure the pipe joints (glue is NOT included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Size Matching:\u003c\/strong\u003e You MUST select the exact model that matches your pre-drilled glass hole diameter from the dropdown menu!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (I.D.):\u003c\/strong\u003e The \"Fitting I.D.\" listed is the size of the pipe that connects to the bulkhead.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Small Straight Drain Kit (Hole 20-22mm | I.D. 20mm)","offer_id":56349951983782,"sku":"Fish_Tank_065","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Small Elbow Drain Kit (Hole 20-22mm | I.D. 20mm)","offer_id":56349952016550,"sku":"Fish_Tank_066","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Straight Strong Drain Kit (Hole 25-28mm | I.D. 20mm)","offer_id":56349952049318,"sku":"Fish_Tank_067","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Elbow Strong Drain Kit (Hole 25-28mm | I.D. 20mm)","offer_id":56349952082086,"sku":"Fish_Tank_068","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Standard Strong Drain Kit (Hole 25-28mm | I.D. 25mm)","offer_id":56349952114854,"sku":"Fish_Tank_069","price":17.0,"currency_code":"USD","in_stock":true},{"title":"Large Strong Drain Kit (Hole 30-32mm | I.D. 20mm)","offer_id":56349952147622,"sku":"Fish_Tank_070","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_Aquarium_Strong_Drain_Complete_Set_2025mm_Water_Change_Bulkhead_Valve_Kit_DIY_Plumbing_005.png?v=1779502476"},{"product_id":"dark-grey-upvc-90-elbow-tank-bulkhead-20-63mm-space-saving-double-sided-pipe-connector-aquarium-plumbing","title":"Dark Grey UPVC 90° Elbow Tank Bulkhead (20-63mm) | Space-Saving Double-Sided Pipe Connector | Aquarium Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6c757d; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for a straight-through connection? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-pvc-aquarium-bulkhead-fitting-extended-thread-water-tank-inlet-outlet-joint\" style=\"color: #6c757d; text-decoration: underline;\"\u003eStandard Straight UPVC Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSpace-Saving UPVC 90° Elbow Tank Bulkhead\u003c\/h2\u003e\u003cp\u003eOptimize your plumbing layout with the Dark Grey UPVC Elbow Bulkhead from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for aquariums, sumps, and reservoirs where space is limited, this 90-degree tank connector allows you to seamlessly attach PVC pipes on both sides of the glass while keeping your plumbing tight against the wall.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Space-Saving Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-Degree Elbow Design:\u003c\/strong\u003e Drastically reduces the required clearance space on one side of the tank, preventing protruding pipes and keeping your filtration system looking clean and professional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Sided Pipe Connection:\u003c\/strong\u003e Features inner smooth sockets on both ends, allowing you to glue metric hard PVC pipes both internally and externally for a complete circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Proof Silicone Seal:\u003c\/strong\u003e Comes equipped with a high-grade silicone gasket that provides superior elasticity and durability compared to standard rubber seals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo avoid leaks or installation failures, please strictly match your tank specifications with the Atradesen.com guide below:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;21mm | Clamps Glass: 2-8mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;27mm | Clamps Glass: 0-10mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;33mm | Clamps Glass: 0-10mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Fits 40mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;42mm | Clamps Glass: 4-12mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Fits 50mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;49mm | Clamps Glass: 0-15mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D. Model:\u003c\/strong\u003e Fits 63mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;59mm | Clamps Glass: 0-16mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (Hole: \u003e21mm | Max Glass: 8mm)","offer_id":56349952180390,"sku":"Fish_Tank_071","price":2.74,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (Hole: \u003e27mm | Max Glass: 10mm)","offer_id":56349952213158,"sku":"Fish_Tank_072","price":3.01,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (Hole: \u003e33mm | Max Glass: 10mm)","offer_id":56349952245926,"sku":"Fish_Tank_073","price":4.68,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (Hole: \u003e42mm | Max Glass: 12mm)","offer_id":56355245129894,"sku":null,"price":6.04,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (Hole: \u003e49mm | Max Glass: 15mm)","offer_id":56355245162662,"sku":null,"price":9.34,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (Hole: \u003e59mm | Max Glass: 16mm)","offer_id":56468498219174,"sku":null,"price":18.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Dark_Grey_UPVC_90_Elbow_Tank_Bulkhead_20-63mm_Space-Saving_Double-Sided_Pipe_Connector_Aquarium_Plumbing-001.jpg?v=1778765121"},{"product_id":"premium-aquarium-pvc-drain-joint-20-50mm-anti-clog-slotted-tank-bulkhead-fitting-with-silicone-seal","title":"Premium Aquarium PVC Drain Joint (20-50mm) | Anti-Clog Slotted Tank Bulkhead Fitting with Silicone Seal","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #007bff; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Building a complete sump system? Pair this drain with our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-pvc-aquarium-bottom-water-inlet-20-32mm-120-fan-shaped-flow-return-fitting-sump-fish-tank\" style=\"color: #007bff; text-decoration: underline;\"\u003e120° Fan-Shaped Bottom Water Inlet\u003c\/a\u003e\u003c\/strong\u003e for perfect water circulation.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHigh-Efficiency PVC Drain Joint for Aquariums \u0026amp; Tanks\u003c\/h2\u003e\u003cp\u003eUpgrade your water management system with the premium PVC Drain Joint from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Specifically engineered for fish tanks, seafood holding pools, and custom reservoirs, this bulkhead fitting ensures rapid, thorough drainage while keeping your aquatic environment safe from clogs.\u003c\/p\u003e\u003ch3\u003e🌊 Advanced Anti-Clog Design\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Drain Cover:\u003c\/strong\u003e Features a unique serrated\/slotted top grill that prevents fish, snails, and large debris from entering the plumbing, ensuring continuous, thorough water flow without clogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Silicone Sealing:\u003c\/strong\u003e Equipped with a high-quality silicone gasket that offers superior elasticity and longevity compared to standard rubber, guaranteeing a 100% leak-proof seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard PVC Glue Joint:\u003c\/strong\u003e Made from high-grade PVC material. The smooth inner socket connects easily to your existing PVC hard plumbing using standard PVC cement\/glue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a perfect fit for your custom setup. Please review the Atradesen.com drilling and clamping specifications before placing your order:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Fits 40mm O.D. Pipe | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Fits 50mm O.D. Pipe | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eShop reliable plumbing solutions for your hobby or business at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"Black \/ Inner Dia 20mm","offer_id":56349952278694,"sku":"Fish_Tank_074","price":2.27,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia 25mm","offer_id":56349952311462,"sku":"Fish_Tank_075","price":2.88,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia 32mm","offer_id":56349952344230,"sku":"Fish_Tank_076","price":3.45,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia 40mm","offer_id":56349952376998,"sku":"Fish_Tank_077","price":4.18,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia 50mm","offer_id":56349952409766,"sku":"Fish_Tank_078","price":5.03,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia 20mm","offer_id":56349952442534,"sku":"Fish_Tank_079","price":2.27,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia 25mm","offer_id":56349952475302,"sku":"Fish_Tank_080","price":2.88,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia 32mm","offer_id":56349952508070,"sku":"Fish_Tank_081","price":3.45,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia 40mm","offer_id":56349952540838,"sku":"Fish_Tank_082","price":4.18,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia 50mm","offer_id":56349952573606,"sku":"Fish_Tank_083","price":5.03,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia 20mm","offer_id":56349952606374,"sku":"Fish_Tank_084","price":2.27,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia 25mm","offer_id":56349952639142,"sku":"Fish_Tank_085","price":2.88,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia 32mm","offer_id":56349952671910,"sku":"Fish_Tank_086","price":3.45,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia 40mm","offer_id":56349952704678,"sku":"Fish_Tank_087","price":4.18,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia 50mm","offer_id":56349952737446,"sku":"Fish_Tank_088","price":5.03,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia 20mm","offer_id":56349952770214,"sku":"Fish_Tank_089","price":2.27,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia 25mm","offer_id":56349952802982,"sku":"Fish_Tank_090","price":2.88,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia 32mm","offer_id":56349952835750,"sku":"Fish_Tank_091","price":3.45,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia 40mm","offer_id":56349952868518,"sku":"Fish_Tank_092","price":4.18,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia 50mm","offer_id":56349952901286,"sku":"Fish_Tank_093","price":5.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_Aquarium_PVC_Drain_Joint_20-50mm_Anti-Clog_Slotted_Tank_Bulkhead_Fitting_with_Silicone_Seal-001.jpg?v=1778752597"},{"product_id":"upvc-composite-tank-connector-dn15-dn100-socket-x-socket-bulkhead-fitting-aquarium-water-tank-drain","title":"UPVC Composite Tank Connector (DN15-DN100) | Socket x Socket Bulkhead Fitting | Aquarium \u0026 Water Tank Drain","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #007bff; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for threaded connections to attach valves directly? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/upvc-tank-connector-bulkhead-female-thread-x-socket-slip-water-tower-aquarium-valve-adapter\" style=\"color: #007bff; text-decoration: underline;\"\u003eFemale Thread x Socket\u003c\/a\u003e\u003c\/strong\u003e or \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/upvc-bulkhead-tank-connector-double-female-thread-fpt-x-fpt-fish-tank-pool-plumbing\" style=\"color: #007bff; text-decoration: underline;\"\u003eDouble Female Thread\u003c\/a\u003e\u003c\/strong\u003e bulkhead fittings.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eThickened UPVC Tank Connector (Socket x Socket)\u003c\/h2\u003e\u003cp\u003eUpgrade your fluid management system with our premium composite tank connectors, exclusively available at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed with dual smooth sockets (Slip x Slip), this fitting is perfect for securing PVC hard pipes directly onto both sides of your tank wall using standard PVC cement.\u003c\/p\u003e\u003ch3\u003e💧 Versatile \u0026amp; Heavy-Duty Application\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Ideal for custom aquariums, koi ponds, water towers, rain barrels, and hydroponic reservoirs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Grade UPVC:\u003c\/strong\u003e Thickened material ensures excellent resistance to corrosion, alkalis, and acids. Safe for both industrial drainage and aquatic life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Proof Seal:\u003c\/strong\u003e Features robust silicone\/rubber gaskets to ensure a tight, drip-free seal against any flat tank surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Size Selection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease read this guide before placing your order on Atradesen.com to ensure a perfect fit:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSocket Size (mm):\u003c\/strong\u003e The size you select refers to the \u003cb\u003eINNER DIAMETER\u003c\/b\u003e of the connector's socket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Matching:\u003c\/strong\u003e A 20mm connector will perfectly fit a pipe with a 20mm \u003cb\u003eOUTER DIAMETER\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003ePlease select your required metric size (20mm to 110mm) from the dropdown menu above.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eBuild your reliable plumbing system today with professional fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e!\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"Socket + Socket 20mm (DN15)","offer_id":56349952966822,"sku":"Fish_Tank_094","price":4.93,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 25mm (DN20)","offer_id":56349952999590,"sku":"Fish_Tank_095","price":5.19,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 32mm (DN25)","offer_id":56349953032358,"sku":"Fish_Tank_096","price":7.48,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 40mm (DN32)","offer_id":56349953065126,"sku":"Fish_Tank_097","price":11.8,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 50mm (DN40)","offer_id":56349953097894,"sku":"Fish_Tank_098","price":15.25,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 63mm (DN50)","offer_id":56349953130662,"sku":"Fish_Tank_099","price":17.42,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 75mm (DN65)","offer_id":56349953163430,"sku":"Fish_Tank_100","price":35.83,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 90mm (DN80)","offer_id":56349953196198,"sku":"Fish_Tank_101","price":41.12,"currency_code":"USD","in_stock":true},{"title":"Socket + Socket 110mm (DN100)","offer_id":56349953228966,"sku":"Fish_Tank_102","price":76.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Composite_Tank_Connector_-_Dual_Slip_Socket_Bulkhead_Fitting_DN15-DN100_-008.jpg?v=1778735614"},{"product_id":"mini-flush-mount-aquarium-bottom-drain-20-25mm-slotted-anti-clog-pvc-bulkhead-straight-elbow-tank-connector","title":"Mini Flush Mount Aquarium Bottom Drain (20\/25mm) | Slotted Anti-Clog PVC Bulkhead | Straight \u0026 Elbow Tank Connector","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #ffc107; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Connecting to soft hoses instead of hard PVC pipes? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/small-abs-elbow-hose-drain-connector-3-8-3-4-90-barbed-bulkhead-for-soft-tube-mini-aquarium-water-dispenser\" style=\"color: #ffc107; text-decoration: underline;\"\u003eMini ABS Barbed Hose Drain Connectors\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eMini Flush Mount Aquarium Bottom Drain\u003c\/h2\u003e\u003cp\u003eAchieve a crystal-clear, zero-residue fish tank with our Mini Flush Mount Bottom Drain fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Expertly designed for main display tanks and small sumps, these ultra-compact bulkheads sit completely flat against the bottom glass, ensuring every drop of dirty water and detritus is drained without taking up valuable aquatic space.\u003c\/p\u003e\u003ch3\u003e🌟 Innovative \"Zero-Dead-Space\" Design\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Flat Base:\u003c\/strong\u003e Direct contact with the tank bottom ensures 100% thorough drainage. No stagnant water left behind!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Anti-Clog Cap:\u003c\/strong\u003e Features smart notches that allow rapid water flow while preventing livestock or large debris from clogging the pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Mini \u0026amp; Unobtrusive:\u003c\/strong\u003e Takes up a minimal footprint inside the tank. Available in both Straight and 90-Degree Elbow profiles to perfectly match your under-cabinet clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; DIY Modification Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease review these specific requirements for Atradesen.com customers before placing your order:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Glass Thickness:\u003c\/strong\u003e Safely clamps glass\/acrylic up to \u003cb\u003e15mm\u003c\/b\u003e thick using premium silicone gaskets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 Thin Plastic Tank DIY:\u003c\/strong\u003e If installing on a very thin plastic reservoir, the threaded pipe may be too long to clamp tightly. You can easily \u003cb\u003esaw\/cut the thread shorter\u003c\/b\u003e manually to achieve a perfect seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Models:\u003c\/strong\u003e Fits 20mm O.D. Hard Pipe | Drill Hole Required: 20-22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Models:\u003c\/strong\u003e Fits 25mm O.D. Hard Pipe | Drill Hole Required: 26-28mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Elbow 20mm","offer_id":56349953294502,"sku":"Fish_Tank_104","price":3.63,"currency_code":"USD","in_stock":true},{"title":"Elbow 25mm","offer_id":56349953261734,"sku":"Fish_Tank_103","price":4.09,"currency_code":"USD","in_stock":true},{"title":"Straight 20mm","offer_id":56349953360038,"sku":"Fish_Tank_106","price":3.63,"currency_code":"USD","in_stock":true},{"title":"Straight 25mm","offer_id":56349953327270,"sku":"Fish_Tank_105","price":4.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Mini_Flush_Mount_Aquarium_Bottom_Drain_2025mm_Slotted_Anti-Clog_PVC_Bulkhead_Straight_Elbow_Tank_Connector-001.jpg?v=1778758047"},{"product_id":"premium-pvc-straight-drainage-kit-with-side-handle-valve-20-50mm-aquarium-flush-bulkhead-plumbing-set-diy-water-change","title":"Premium PVC Straight Drainage Kit with Side-Handle Valve (20-50mm) | Aquarium Flush Bulkhead Plumbing Set | DIY Water Change","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #dc3545; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Limited vertical space under the tank? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/complete-pvc-l-shape-drain-valve-kit-20-50mm-pointed-tank-bulkhead-with-side-handle-valve-pipes-aquarium-diy-set\" style=\"color: #dc3545; text-decoration: underline;\"\u003e90° Elbow Drain Valve Kits\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eComplete PVC Straight Drainage Kit with Side-Handle Valve\u003c\/h2\u003e\u003cp\u003eExperience the perfect combination of maximum water flow and space-saving operation with this complete DIY Straight Drainage Kit from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a direct-down slotted bulkhead and an innovative side-handle ball valve, this set is ideal for fast water changes in aquariums, sumps, and multi-tank breeding racks.\u003c\/p\u003e\u003ch3\u003e📦 Complete DIY Plumbing Set\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Straight Drain Bulkhead:\u003c\/strong\u003e Direct downward flow with a slotted strainer cap to prevent fish or large debris from clogging your system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Space-Saving Side-Handle Valve:\u003c\/strong\u003e Unlike traditional T-handle valves, the side-mounted handle requires much less clearance to turn, making it perfect for tight aquarium cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x PVC Pipe Sections:\u003c\/strong\u003e Includes a 10cm and a 20cm pipe. Customize your exact drop length by cutting the pipes on-site with a standard hand saw.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e💡 Assembly \u0026amp; Installation Disclaimer\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Unassembled:\u003c\/strong\u003e Build it your way! This product is sold as a disassembled kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Method:\u003c\/strong\u003e For low-pressure gravity setups, parts can be push-fit snugly. For high water pressure, \u003cstrong\u003ePVC waterproof adhesive\/glue MUST be used\u003c\/strong\u003e on all slip joints (glue sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Tips:\u003c\/strong\u003e Wrap the bulkhead threads with Teflon\/PTFE tape before tightening. Always place the single silicone gasket on the \u003cb\u003esmooth outer wall\u003c\/b\u003e of your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid leaks by matching your setup to the Atradesen.com specifications below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Kit:\u003c\/strong\u003e Pipe O.D: 20mm | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Kit:\u003c\/strong\u003e Pipe O.D: 25mm | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Kit:\u003c\/strong\u003e Pipe O.D: 32mm | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Kit:\u003c\/strong\u003e Pipe O.D: 40mm | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Kit:\u003c\/strong\u003e Pipe O.D: 50mm | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e💡 Pro Tip: This kit is our recommended configuration. Feel free to browse Atradesen.com to mix and match individual pipe fittings for your own custom build!\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Black","offer_id":56349953425574,"sku":"Fish_Tank_107","price":3.98,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ White","offer_id":56468603895974,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Blue","offer_id":56468603928742,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Gray","offer_id":56468603961510,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Red","offer_id":56468603994278,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Black","offer_id":56349953458342,"sku":"Fish_Tank_108","price":6.99,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ White","offer_id":56468604027046,"sku":null,"price":6.35,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Blue","offer_id":56468604059814,"sku":null,"price":6.35,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Gray","offer_id":56468604092582,"sku":null,"price":6.35,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Red","offer_id":56468604125350,"sku":null,"price":6.35,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Black","offer_id":56349953491110,"sku":"Fish_Tank_109","price":10.84,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ White","offer_id":56468604158118,"sku":null,"price":9.36,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Blue","offer_id":56468604190886,"sku":null,"price":9.36,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Gray","offer_id":56468604223654,"sku":null,"price":9.36,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Red","offer_id":56468604256422,"sku":null,"price":9.36,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Black","offer_id":56349953523878,"sku":"Fish_Tank_110","price":14.23,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ White","offer_id":56468604289190,"sku":null,"price":12.21,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Blue","offer_id":56468604321958,"sku":null,"price":12.21,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Gray","offer_id":56468604354726,"sku":null,"price":12.21,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Red","offer_id":56468604387494,"sku":null,"price":12.21,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Black","offer_id":56349953556646,"sku":"Fish_Tank_111","price":20.78,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ White","offer_id":56468604420262,"sku":null,"price":16.85,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Blue","offer_id":56468604453030,"sku":null,"price":16.85,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Gray","offer_id":56468604485798,"sku":null,"price":16.85,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Red","offer_id":56468604518566,"sku":null,"price":16.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Straight_Drainage_Kit_with_Side-Handle_Valve_20-50mm_Aquarium_Flush_Bulkhead_Plumbing_Set_DIY_Water_Change-001.jpg?v=1778770514"},{"product_id":"complete-pvc-90-elbow-drain-valve-kit-20-50mm-slotted-bulkhead-side-handle-valve-aquarium-space-saving-plumbing-set","title":"Complete PVC 90° Elbow Drain Valve Kit (20-50mm) | Slotted Bulkhead \u0026 Side-Handle Valve | Aquarium Space-Saving Plumbing Set","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #007bff; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have plenty of vertical space under the tank? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/complete-pvc-straight-drain-valve-kit-20-50mm-aquarium-tank-bulkhead-with-ball-valve-pipes-diy-plumbing-set\" style=\"color: #007bff; text-decoration: underline;\"\u003eComplete Straight Drain Valve Kits\u003c\/a\u003e\u003c\/strong\u003e for maximum direct downward flow.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eComplete PVC 90° Elbow Drain Valve Kit\u003c\/h2\u003e\u003cp\u003eOptimize your tank's footprint with this all-inclusive DIY Elbow Drainage Kit from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a space-saving 90-degree slotted bulkhead and a low-profile side-handle ball valve, this set is perfectly engineered for tight aquarium cabinets, sumps, and commercial reservoirs where both vertical and horizontal clearance are limited.\u003c\/p\u003e\u003ch3\u003e📦 What's Included in the DIY Set?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x 90° Elbow Drain Joint:\u003c\/strong\u003e Features a slotted anti-clog cover to prevent livestock and large debris from blocking the drain while directing water sideways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Side-Handle Ball Valve:\u003c\/strong\u003e A compact valve design that requires significantly less clearance to operate compared to standard T-handle valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x PVC Pipe Sections:\u003c\/strong\u003e Includes one 10cm and one 20cm pipe. (Lengths can be easily custom-cut on-site with a hand saw).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e💡 Installation \u0026amp; Assembly Guide (Please Read)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Unassembled:\u003c\/strong\u003e Components are shipped as separate loose parts for total customization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Method:\u003c\/strong\u003e For low-pressure gravity setups, parts can be push-fit tightly. For high water pressure, \u003cstrong\u003ePVC cement\/glue MUST be used\u003c\/strong\u003e on all slip joints (glue sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Advice:\u003c\/strong\u003e Wrap the bulkhead threads with Teflon\/PTFE thread tape before tightening. Place the included silicone gasket on the \u003cb\u003esmooth outer wall\u003c\/b\u003e of your tank for a leak-proof seal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid installation errors by matching your tank specs with our Atradesen.com guide below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Kit:\u003c\/strong\u003e Pipe O.D: 20mm | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Kit:\u003c\/strong\u003e Pipe O.D: 25mm | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Kit:\u003c\/strong\u003e Pipe O.D: 32mm | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Kit:\u003c\/strong\u003e Pipe O.D: 40mm | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Kit:\u003c\/strong\u003e Pipe O.D: 50mm | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Gray","offer_id":56349953654950,"sku":"Fish_Tank_118","price":3.15,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Blue","offer_id":56468585349286,"sku":null,"price":3.15,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ White","offer_id":56468585382054,"sku":null,"price":3.15,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Black","offer_id":56468585414822,"sku":null,"price":4.15,"currency_code":"USD","in_stock":true},{"title":"20mm Kit (Hole: 20-23mm | Glass: 2-15mm) \/ Red","offer_id":56468585447590,"sku":null,"price":3.15,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Gray","offer_id":56349953687718,"sku":"Fish_Tank_119","price":4.65,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Blue","offer_id":56468585480358,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ White","offer_id":56468585513126,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Black","offer_id":56468585545894,"sku":null,"price":5.38,"currency_code":"USD","in_stock":true},{"title":"25mm Kit (Hole: 25-28mm | Glass: 2-18mm) \/ Red","offer_id":56468585578662,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Gray","offer_id":56349953720486,"sku":"Fish_Tank_120","price":6.53,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Blue","offer_id":56468585611430,"sku":null,"price":6.53,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ White","offer_id":56468585644198,"sku":null,"price":6.53,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Black","offer_id":56468585676966,"sku":null,"price":7.84,"currency_code":"USD","in_stock":true},{"title":"32mm Kit (Hole: 32-35mm | Glass: 2-24mm) \/ Red","offer_id":56468585709734,"sku":null,"price":6.53,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Gray","offer_id":56349953753254,"sku":"Fish_Tank_121","price":8.69,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Blue","offer_id":56468585742502,"sku":null,"price":8.69,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ White","offer_id":56468585775270,"sku":null,"price":8.69,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Black","offer_id":56468585808038,"sku":null,"price":9.69,"currency_code":"USD","in_stock":true},{"title":"40mm Kit (Hole: 40-43mm | Glass: 2-25mm) \/ Red","offer_id":56468585840806,"sku":null,"price":8.69,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Gray","offer_id":56468585873574,"sku":null,"price":12.87,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Blue","offer_id":56468585906342,"sku":null,"price":12.87,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ White","offer_id":56468585939110,"sku":null,"price":12.87,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Black","offer_id":56468585971878,"sku":null,"price":14.87,"currency_code":"USD","in_stock":true},{"title":"50mm Kit (Hole: 50-55mm | Glass: 2-26mm) \/ Red","offer_id":56468586004646,"sku":null,"price":12.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Complete_PVC_90_Elbow_Drain_Valve_Kit_20-50mm_Slotted_Bulkhead_Side-Handle_Valve_Aquarium_Space-Saving_Plumbing_Set-001.jpg?v=1778769192"},{"product_id":"slotted-pvc-aquarium-drain-bulkhead-20-50mm-anti-clog-strainer-tank-connector-dual-silicone-gasket","title":"Slotted PVC Aquarium Drain Bulkhead (20-50mm) | Anti-Clog Strainer Tank Connector | Dual Silicone Gasket","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need massive unobstructed flow for a high-density seafood pool? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/round-hole-aquarium-drain-fitting-25-50mm-high-flow-flush-bottom-bulkhead-seafood-pool-sump-plumbing\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eRound Hole High-Flow Flush Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSlotted PVC Aquarium Drain Bulkhead\u003c\/h2\u003e\u003cp\u003eProtect your livestock and ensure thorough water drainage with our premium Slotted PVC Drain fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for aquariums, sumps, and reservoirs, these bulkheads feature a built-in grid cover to prevent fish, snails, and large debris from entering your plumbing lines.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Anti-Clog \u0026amp; Sealing Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Slotted Strainer:\u003c\/strong\u003e The integrated top grid acts as a highly effective filter, stopping blockages before they happen while maintaining excellent water turnover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Silicone Gaskets:\u003c\/strong\u003e Equipped with two high-quality silicone sealing rings (one for inside, one for outside) to guarantee a 100% watertight grip on your glass or acrylic tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Glass Clamping:\u003c\/strong\u003e Designed to accommodate standard to thick tanks. Smaller models (size 26 and below) clamp up to 15mm glass, while larger models (size 32 and above) safely clamp up to 20mm glass.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Crucial Sizing \u0026amp; Drilling Guide\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid costly installation errors! Please note that the \"Model Name\" does NOT always equal the pipe size. Carefully match your required Drill Hole and Pipe O.D. using the Atradesen.com guide below:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 20:\u003c\/strong\u003e Drill Hole: 20-23mm | Fits Pipe O.D: 20mm | Max Glass: 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 25 (Blue\/Black):\u003c\/strong\u003e Drill Hole: 30-32mm | Fits Pipe O.D: 20mm | Max Glass: 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 26:\u003c\/strong\u003e Drill Hole: 26-28mm | Fits Pipe O.D: 25mm | Max Glass: 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 32:\u003c\/strong\u003e Drill Hole: 27-32mm | Fits Pipe O.D: 25mm | Max Glass: 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 40:\u003c\/strong\u003e Drill Hole: 35-40mm | Fits Pipe O.D: 32mm | Max Glass: 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 50:\u003c\/strong\u003e Drill Hole: 50-55mm | Fits Pipe O.D: 40mm | Max Glass: 20mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20 Drainage","offer_id":56349953917094,"sku":"Fish_Tank_122","price":3.89,"currency_code":"USD","in_stock":false},{"title":"25 Drainage - Blue","offer_id":56349953949862,"sku":"Fish_Tank_123","price":3.93,"currency_code":"USD","in_stock":true},{"title":"25 Drainage - Black","offer_id":56349953982630,"sku":"Fish_Tank_124","price":3.93,"currency_code":"USD","in_stock":true},{"title":"26 Drainage","offer_id":56349954015398,"sku":"Fish_Tank_125","price":4.63,"currency_code":"USD","in_stock":false},{"title":"32 Drainage","offer_id":56349954048166,"sku":"Fish_Tank_126","price":5.26,"currency_code":"USD","in_stock":true},{"title":"40 Drainage","offer_id":56349954080934,"sku":"Fish_Tank_127","price":5.96,"currency_code":"USD","in_stock":true},{"title":"50 Drainage","offer_id":56468490813606,"sku":null,"price":6.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Slotted_PVC_Aquarium_Drain_Bulkhead_20-50mm_Anti-Clog_Strainer_Tank_Connector_Dual_Silicone_Gasket-001.jpg?v=1778764194"},{"product_id":"premium-90-elbow-pvc-aquarium-drain-joint-20-50mm-space-saving-slotted-tank-bulkhead-anti-clog-plumbing","title":"Premium 90° Elbow PVC Aquarium Drain Joint (20-50mm) | Space-Saving Slotted Tank Bulkhead | Anti-Clog Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6c757d; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have plenty of vertical space? Need a straight-down drain? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-aquarium-pvc-drain-joint-20-50mm-anti-clog-slotted-tank-bulkhead-fitting-with-silicone-seal\" style=\"color: #6c757d; text-decoration: underline;\"\u003eStandard Straight PVC Drain Joints\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSpace-Saving 90° Elbow PVC Drain Joint\u003c\/h2\u003e\u003cp\u003eMaximize your aquarium's limited space with the innovative 90-Degree PVC Drain Joint exclusively from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for tight clearances against walls or inside cramped cabinet sumps, this elbow bulkhead directs water flow immediately sideways while keeping your system safe from clogs.\u003c\/p\u003e\u003ch3\u003e🌊 Advanced Space-Saving \u0026amp; Anti-Clog Design\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-Degree Elbow Profile:\u003c\/strong\u003e Significantly reduces the vertical clearance required under the tank, making it ideal for shallow sumps, seafood pools, and compact DIY setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Drain Cover:\u003c\/strong\u003e The serrated top grill allows for thorough, high-volume drainage while preventing fish, snails, and large debris from blocking your plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Silicone Sealing:\u003c\/strong\u003e Equipped with a high-elasticity silicone gasket that outlasts standard rubber, ensuring a permanent 100% leak-proof seal. Connects seamlessly with standard PVC glue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a perfect fit for your custom setup by checking the Atradesen.com specifications before ordering:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Fits 40mm O.D. Pipe | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Fits 50mm O.D. Pipe | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Black \/ Inner Diameter 20mm","offer_id":56349954244774,"sku":"Fish_Tank_128","price":2.97,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Diameter 25mm","offer_id":56349954277542,"sku":"Fish_Tank_129","price":3.72,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Diameter 32mm","offer_id":56349954310310,"sku":"Fish_Tank_130","price":4.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Diameter 40mm","offer_id":56349954343078,"sku":"Fish_Tank_131","price":5.24,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Diameter 50mm","offer_id":56349954375846,"sku":"Fish_Tank_132","price":5.81,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Diameter 20mm","offer_id":56349954408614,"sku":"Fish_Tank_133","price":2.97,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Diameter 25mm","offer_id":56349954441382,"sku":"Fish_Tank_134","price":3.72,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Diameter 32mm","offer_id":56349954474150,"sku":"Fish_Tank_135","price":4.39,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Diameter 40mm","offer_id":56349954506918,"sku":"Fish_Tank_136","price":5.24,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Diameter 50mm","offer_id":56349954539686,"sku":"Fish_Tank_137","price":5.81,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Diameter 20mm","offer_id":56349954572454,"sku":"Fish_Tank_138","price":2.97,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Diameter 25mm","offer_id":56349954605222,"sku":"Fish_Tank_139","price":3.72,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Diameter 32mm","offer_id":56349954637990,"sku":"Fish_Tank_140","price":4.39,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Diameter 40mm","offer_id":56349954670758,"sku":"Fish_Tank_141","price":5.24,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Diameter 50mm","offer_id":56349954703526,"sku":"Fish_Tank_142","price":5.81,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Diameter 20mm","offer_id":56349954736294,"sku":"Fish_Tank_143","price":2.97,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Diameter 25mm","offer_id":56349954769062,"sku":"Fish_Tank_144","price":3.72,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Diameter 32mm","offer_id":56349954801830,"sku":"Fish_Tank_145","price":4.39,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Diameter 40mm","offer_id":56349954834598,"sku":"Fish_Tank_146","price":5.24,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Diameter 50mm","offer_id":56349954867366,"sku":"Fish_Tank_147","price":5.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_90_Elbow_PVC_Aquarium_Drain_Joint_20-50mm_Space-Saving_Slotted_Tank_Bulkhead_Anti-Clog_Plumbing-001.jpg?v=1778756280"},{"product_id":"pvc_female_thread_bulkhead_pipe_connector_for_aquarium_water_drainage","title":"PVC Female Thread Bulkhead Pipe Connector for Aquarium Water Drainage","description":"\u003cp\u003eConnection:Female\u003cbr\u003e\nType:Coupling\u003cbr\u003e\nTechnics:Casting\u003cbr\u003e\nModel Number:DIN\u003cbr\u003e\nMaterial:PVC\u003cbr\u003e\nHead Code:Hexagon\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"1l2inch \/ Female(AxB)","offer_id":56349955129510,"sku":"Fish_Tank_148","price":4.43,"currency_code":"USD","in_stock":true},{"title":"3l4inch \/ Female(AxB)","offer_id":56349955162278,"sku":"Fish_Tank_149","price":5.04,"currency_code":"USD","in_stock":true},{"title":"1inch \/ Female(AxB)","offer_id":56349955195046,"sku":"Fish_Tank_150","price":5.92,"currency_code":"USD","in_stock":true},{"title":"1.2inch \/ Female(AxB)","offer_id":56349955227814,"sku":"Fish_Tank_151","price":8.68,"currency_code":"USD","in_stock":true},{"title":"1.5inch \/ Female(AxB)","offer_id":56349955260582,"sku":"Fish_Tank_152","price":10.04,"currency_code":"USD","in_stock":true},{"title":"2inch \/ Female(AxB)","offer_id":56349955293350,"sku":"Fish_Tank_153","price":11.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/fish-tank-Bulkhead-Pipe-Joints-pvc-1-2-3-4-1-1-2-1-5-Fmale_29ebd211-aa45-426f-9dc5-b8893fb5a949.webp?v=1775543279"},{"product_id":"abs_male_thread_bulkhead_pipe_connector_for_aquarium_inlet-outlet_drainage","title":"ABS Male Thread Bulkhead Pipe Connector for Aquarium Inlet\/Outlet Drainage","description":"\u003cp\u003eOrigin:CN(Origin)\u003cbr\u003e\nConnection:Male\u003cbr\u003e\nType:connector\u003cbr\u003e\nTechnics:Casting\u003cbr\u003e\nModel Number:1l2inch 3l4inch\u003cbr\u003e\nMaterial:ABS\u003cbr\u003e\nHead Code:Hexagon\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"1l2inch \/ 1pcs","offer_id":56349955326118,"sku":"Fish_Tank_154","price":2.18,"currency_code":"USD","in_stock":true},{"title":"3l4inch \/ 1pcs","offer_id":56349955358886,"sku":"Fish_Tank_155","price":2.81,"currency_code":"USD","in_stock":true},{"title":"1l2inch \/ 2pcs","offer_id":56349955391654,"sku":"Fish_Tank_156","price":2.64,"currency_code":"USD","in_stock":true},{"title":"3l4inch \/ 2pcs","offer_id":56349955424422,"sku":"Fish_Tank_157","price":3.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/1pcs-fish-tank-Bulkhead-Pipe-Joints-ABS-1-2-3-4-1-Male-Thread-Aquarium-water.webp?v=1775543280"},{"product_id":"premium-pvc-aquarium-bulkhead-fitting-extended-thread-water-tank-inlet-outlet-joint","title":"Premium PVC Aquarium Bulkhead Fitting - Extended Thread Water Tank Inlet Outlet Joint","description":"\u003ch2\u003ePremium PVC Aquarium Bulkhead Fitting \u0026amp; Water Tank Joint\u003c\/h2\u003e\u003cp\u003eCreate a secure, leak-proof connection for your aquarium overflow or water storage tank with our Premium PVC Bulkhead Fittings. Designed with an extended full outer thread, this versatile connector easily adapts to both ultra-thin and extremely thick glass or acrylic walls without the need to manually saw off excess threading. Manufactured from high-quality, pure PVC and equipped with premium silicone sealing gaskets, it ensures long-lasting durability and absolute waterproofing for both freshwater and marine environments. Get your professional aquatic plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our PVC Bulkhead Fittings?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Full-Thread Design:\u003c\/strong\u003e The fully threaded outer body allows for a perfect, tight fit on tank walls of varying thicknesses. You no longer need to cut short the threaded pipe for thinner glass—simply tighten the nut for a secure hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Proof Silicone Gasket:\u003c\/strong\u003e Unlike standard rubber rings that harden and crack over time, our included high-quality silicone gaskets provide superior, long-lasting sealing performance under high water pressure, ensuring zero leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable PVC Construction:\u003c\/strong\u003e Made from pure, corrosion-resistant PVC, these joints are safe for all aquatic livestock and provide excellent structural support. Available in Gray, Blue, and White to match your specific plumbing setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Installation Guide:\u003c\/b\u003e\u003c\/strong\u003e The size listed in the options refers to the \u003cstrong\u003eInner Diameter (ID) of the joint's slip socket\u003c\/strong\u003e, which corresponds to the Outer Diameter (OD) of the PVC pipe you are connecting. Ensure the silicone gasket is placed on the wet side (inside the tank). Apply aquarium-safe PVC solvent cement to bond your pipe into the slip socket and allow 24 hours to fully cure before testing with water.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Aquarium Inlet\/Outlet Joint \/ Water Tank Bulkhead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Quality PVC \u0026amp; Silicone Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e PVC Solvent Weld (Slip Fit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Gray, Blue, White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Aquarium sumps, overflow boxes, aquaculture tanks, hydroponic reservoirs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Black \/ Inner Dia.20mm","offer_id":56349955522726,"sku":"Fish_Tank_158","price":2.92,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.25mm","offer_id":56349955555494,"sku":"Fish_Tank_159","price":3.2,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.32mm","offer_id":56349955588262,"sku":"Fish_Tank_160","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.40mm","offer_id":56349955621030,"sku":"Fish_Tank_161","price":4.69,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.50mm","offer_id":56349955653798,"sku":"Fish_Tank_162","price":4.9,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.20mm","offer_id":56349955686566,"sku":"Fish_Tank_163","price":2.92,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.25mm","offer_id":56349955719334,"sku":"Fish_Tank_164","price":3.2,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.32mm","offer_id":56349955752102,"sku":"Fish_Tank_165","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.40mm","offer_id":56349955784870,"sku":"Fish_Tank_166","price":4.69,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Inner Dia.50mm","offer_id":56349955817638,"sku":"Fish_Tank_167","price":4.9,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.20mm","offer_id":56349955850406,"sku":"Fish_Tank_168","price":2.92,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.25mm","offer_id":56349955883174,"sku":"Fish_Tank_169","price":3.2,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.32mm","offer_id":56349955915942,"sku":"Fish_Tank_170","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.40mm","offer_id":56349955948710,"sku":"Fish_Tank_171","price":4.69,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Inner Dia.50mm","offer_id":56349955981478,"sku":"Fish_Tank_172","price":4.9,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.20mm","offer_id":56349956014246,"sku":"Fish_Tank_173","price":2.92,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.25mm","offer_id":56349956047014,"sku":"Fish_Tank_174","price":3.2,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.32mm","offer_id":56349956079782,"sku":"Fish_Tank_175","price":3.75,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.40mm","offer_id":56349956112550,"sku":"Fish_Tank_176","price":4.69,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.50mm","offer_id":56349956145318,"sku":"Fish_Tank_177","price":4.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Bulkhead_Fitting_-_Extended_Thread_Water_Tank_Inlet_Outlet_Joint-005.jpg?v=1778723378"},{"product_id":"new-style-flush-mount-aquarium-bottom-drain-25-28mm-hole-anti-clog-bulkhead-flat-base-tank-connector","title":"New-Style Flush Mount Aquarium Bottom Drain  25-28mm Hole Anti-Clog Bulkhead  Flat Base Tank Connector","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #8e44ad; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for complete drainage kits with flow control valves? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/complete-pvc-l-shape-drain-valve-kit-20-50mm-pointed-tank-bulkhead-with-side-handle-valve-pipes-aquarium-diy-set\" style=\"color: #8e44ad; text-decoration: underline;\"\u003eComplete L-Shape Drain Valve Kits\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eNew-Style Flush Mount Aquarium Bottom Drain\u003c\/h2\u003e\u003cp\u003eAchieve a spotless, debris-free fish tank with our innovative bottom drain, available exclusively at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed to sit completely flat against the bottom glass, this advanced bulkhead fitting ensures 100% thorough drainage, leaving no stagnant water or fish waste behind.\u003c\/p\u003e\u003ch3\u003e🌟 Advanced Flush \u0026amp; Anti-Clog Design\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Residue Flat Base:\u003c\/strong\u003e Unlike standard bulkheads that sit raised above the glass, this unique design makes flush contact with the tank bottom. All detritus is sucked out effortlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium O-Ring Seal:\u003c\/strong\u003e Relies on a high-quality bottom silicone O-ring to provide an impenetrable, leak-proof barrier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Outlet Versatility:\u003c\/strong\u003e Available in a straight socket style (for hard PVC pipes) or a 90-degree elbow barbed style (for flexible silicone\/vinyl hoses).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; DIY Modification Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease review these Atradesen.com specific requirements before purchasing to ensure a perfect fit:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Drill Hole:\u003c\/strong\u003e 25mm - 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Clamping Thickness:\u003c\/strong\u003e Safely clamps glass\/acrylic panels \u003cb\u003e10mm to 20mm\u003c\/b\u003e thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 DIY Modification for Thin Glass (\u0026lt;10mm):\u003c\/strong\u003e The male thread on this fitting is extended. If your tank glass is thinner than 10mm, the thread will be too long to clamp tightly. \u003cb\u003eYou MUST manually cut\/saw the male thread shorter\u003c\/b\u003e during installation to ensure a watertight seal!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Elbow 20mm","offer_id":56349956243622,"sku":"Fish_Tank_178","price":3.61,"currency_code":"USD","in_stock":true},{"title":"Straight 20mm","offer_id":56349956276390,"sku":"Fish_Tank_179","price":3.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/New-Style_Flush_Mount_Aquarium_Bottom_Drain_25-28mm_Hole_Anti-Clog_Bulkhead_Flat_Base_Tank_Connector-005.jpg?v=1778753763"},{"product_id":"silicone_o-ring_gasket_seal_for_water_heater_-_aquarium_plumbing","title":"Silicone O-Ring Gasket Seal for Water Heater \u0026 Aquarium Plumbing","description":"\u003cp\u003eModel Number:DIN\u003cbr\u003e\nMaterial:Silicon\u003cbr\u003e\nShape:Ring Gasket\u003cbr\u003e\nStandard or Nonstandard:Standard\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"10pcs \/ OD40mm x ID20mm","offer_id":56349956374694,"sku":"Fish_Tank_180","price":3.58,"currency_code":"USD","in_stock":true},{"title":"10pcs \/ OD45mm x ID25mm","offer_id":56349956407462,"sku":"Fish_Tank_181","price":3.78,"currency_code":"USD","in_stock":true},{"title":"10pcs \/ OD52mm x ID32mm","offer_id":56349956440230,"sku":"Fish_Tank_182","price":3.85,"currency_code":"USD","in_stock":true},{"title":"10pcs \/ OD66mm x ID46mm","offer_id":56349956472998,"sku":"Fish_Tank_183","price":4.29,"currency_code":"USD","in_stock":true},{"title":"10pcs \/ OD78mm x ID58mm","offer_id":56349956505766,"sku":"Fish_Tank_184","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/10pcs-o-rings-Water-heater-seal-1-2-3-4-1-1-2-1-5-silicone.webp?v=1775543285"},{"product_id":"complete-pvc-straight-drain-valve-kit-20-50mm-aquarium-tank-bulkhead-with-ball-valve-pipes-diy-plumbing-set","title":"Complete PVC Straight Drain Valve Kit (20-50mm) | Aquarium Tank Bulkhead with Ball Valve \u0026 Pipes | DIY Plumbing Set","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need a space-saving corner drain instead? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/complete-pvc-l-shape-drain-valve-kit-20-50mm-pointed-tank-bulkhead-with-side-handle-valve-pipes-aquarium-diy-set\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eComplete L-Shape Drain Valve Kits\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eComplete PVC Straight Drain Valve Kit\u003c\/h2\u003e\u003cp\u003eStreamline your tank maintenance with this all-inclusive DIY Straight Drainage Kit from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a high-flow slotted bulkhead, a durable straight ball valve, and connecting pipes, this set is perfect for controlling water drainage in aquariums, sumps, and commercial water reservoirs with zero water resistance.\u003c\/p\u003e\u003ch3\u003e📦 What's Included in the Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x Straight Drain Joint:\u003c\/strong\u003e Features an anti-clog slotted cover for maximum flow and debris protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x PVC Ball Valve:\u003c\/strong\u003e Smooth operation for precise water flow control and complete shut-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x PVC Pipe Sections:\u003c\/strong\u003e Includes a 10cm and a 20cm pipe. (Can be easily trimmed to your exact needs with a hand saw on-site).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e💡 Installation \u0026amp; Assembly Tips (Please Read)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Unassembled:\u003c\/strong\u003e Components are shipped loose for complete customizability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Method:\u003c\/strong\u003e For low-pressure gravity drains, parts can be push-fit tightly without leaking. For high-pressure setups, \u003cstrong\u003ePVC cement\/glue must be used\u003c\/strong\u003e on all slip connections (glue sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Advice:\u003c\/strong\u003e Wrap the bulkhead threads with Teflon\/PTFE thread tape before tightening. Place the included silicone gasket on the \u003cb\u003esmooth outer wall\u003c\/b\u003e of the tank to ensure a watertight seal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid installation errors by matching your tank specs with our Atradesen.com guide below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Kit:\u003c\/strong\u003e Pipe O.D: 20mm | Drill Hole: 20-23mm | Clamps Glass: 2-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Kit:\u003c\/strong\u003e Pipe O.D: 25mm | Drill Hole: 25-28mm | Clamps Glass: 2-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Kit:\u003c\/strong\u003e Pipe O.D: 32mm | Drill Hole: 32-35mm | Clamps Glass: 2-24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Kit:\u003c\/strong\u003e Pipe O.D: 40mm | Drill Hole: 40-43mm | Clamps Glass: 2-25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Kit:\u003c\/strong\u003e Pipe O.D: 50mm | Drill Hole: 50-55mm | Clamps Glass: 2-26mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Blue \/ 20mm","offer_id":56349956538534,"sku":"Fish_Tank_185","price":6.07,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 25mm","offer_id":56349956571302,"sku":"Fish_Tank_186","price":8.11,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 32mm","offer_id":56349956604070,"sku":"Fish_Tank_187","price":11.16,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 40mm","offer_id":56349956636838,"sku":"Fish_Tank_188","price":16.21,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 50mm","offer_id":56349956669606,"sku":"Fish_Tank_189","price":20.27,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 20mm","offer_id":56349956702374,"sku":"Fish_Tank_190","price":6.07,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 25mm","offer_id":56349956735142,"sku":"Fish_Tank_191","price":8.11,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 32mm","offer_id":56349956767910,"sku":"Fish_Tank_192","price":11.16,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 40mm","offer_id":56349956800678,"sku":"Fish_Tank_193","price":16.21,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 50mm","offer_id":56349956833446,"sku":"Fish_Tank_194","price":20.27,"currency_code":"USD","in_stock":true},{"title":"White \/ 20mm","offer_id":56349956866214,"sku":"Fish_Tank_195","price":6.07,"currency_code":"USD","in_stock":true},{"title":"White \/ 25mm","offer_id":56349956898982,"sku":"Fish_Tank_196","price":8.11,"currency_code":"USD","in_stock":true},{"title":"White \/ 32mm","offer_id":56349956931750,"sku":"Fish_Tank_197","price":11.16,"currency_code":"USD","in_stock":true},{"title":"White \/ 40mm","offer_id":56349956964518,"sku":"Fish_Tank_198","price":16.21,"currency_code":"USD","in_stock":true},{"title":"White \/ 50mm","offer_id":56349956997286,"sku":"Fish_Tank_199","price":20.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Complete_PVC_Straight_Drain_Valve_Kit_20-50mm_Aquarium_Tank_Bulkhead_with_Ball_Valve_Pipes_DIY_Plumbing_Set-001.jpg?v=1778755626"},{"product_id":"premium-pvc-aquarium-bulkhead-fitting-1-2-to-1-5-rain-barrel-water-tank-connector-slip-thread","title":"Premium PVC Aquarium Bulkhead Fitting (1\/2\" to 1.5\") - Rain Barrel Water Tank Connector (Slip\/Thread)","description":"\u003ch2\u003ePremium PVC Aquarium \u0026amp; Rain Barrel Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eCreate a perfect, leak-proof seal for your fish tank sumps, hydroponic systems, or DIY rain barrels with our Premium PVC Bulkhead Fittings. Available in both Slip Socket (for gluing PVC pipes) and Female Thread (for screwing in standard fittings) configurations, these connectors offer maximum versatility for your custom plumbing projects. You can also select an optional hand-tighten plug (compatible with female thread only) to temporarily seal off the outlet. Get your reliable aquatic plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eCrucial Installation Guide \u0026amp; Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Connection Styles:\u003c\/strong\u003e Choose \u003cem\u003eFemale Thread\u003c\/em\u003e to connect standard threaded pipe fittings, or \u003cem\u003eSlip Socket\u003c\/em\u003e to cement directly onto the outer diameter of your PVC pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Thread Design (Important):\u003c\/strong\u003e The large outer thread of the bulkhead is a REVERSE (left-handed) thread. It is designed EXCLUSIVELY for the locking nut to secure the fitting to your tank wall. You cannot attach other plumbing fittings to this outer thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Sizing:\u003c\/strong\u003e The required drill hole size for your tank equals the Outer Diameter (OD) of the bulkhead's outer thread. E.g., 20mm\/25mm requires a 35mm hole, 32mm requires 45mm, and 40mm\/50mm requires 64mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e🔗 Frequently Bought Together \u0026amp; Related Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed massive high-flow fittings?\u003c\/strong\u003e Upgrade to our \u003ca href=\"https:\/\/atradesen.com\/products\/heavy-duty-pvc-water-tank-bulkhead-fitting-2-to-4-industrial-ibc-tote-drain-connector\" target=\"_blank\" title=\"Shop Industrial Heavy-Duty Bulkheads\"\u003eIndustrial\/Agricultural Heavy-Duty Bulkheads (2\" to 4\" sizes)\u003c\/a\u003e for commercial setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete your plumbing:\u003c\/strong\u003e Don't forget to grab your \u003ca href=\"#\" target=\"_blank\" title=\"Shop Aquarium Safe PVC Cement\"\u003eAquarium-Safe PVC Solvent Cement\u003c\/a\u003e for a perfect slip-socket weld.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl the flow:\u003c\/strong\u003e Pair this bulkhead with our premium \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Ball Valves\"\u003ePVC Inline Ball Valves\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e PVC Water Tank Bulkhead \/ Aquarium Connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e 20mm (1\/2\"), 25mm (3\/4\"), 32mm (1\"), 40mm (1.2\"), 50mm (1.5\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Thickness:\u003c\/strong\u003e 12mm to 22mm (Depending on size)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Slip Socket \/ 20mm (1\/2\")","offer_id":56349957259430,"sku":"Fish_Tank_200","price":3.18,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 25mm (3\/4\")","offer_id":56467692290214,"sku":null,"price":3.65,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 32mm (1\")","offer_id":56467692322982,"sku":null,"price":4.36,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 40mm (1.2\")","offer_id":56467692355750,"sku":null,"price":6.85,"currency_code":"USD","in_stock":true},{"title":"Slip Socket \/ 50mm (1.5\")","offer_id":56467692388518,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 20mm (1\/2\")","offer_id":56467684589734,"sku":null,"price":3.18,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 25mm (3\/4\")","offer_id":56467692421286,"sku":null,"price":3.65,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 32mm (1\")","offer_id":56467692454054,"sku":null,"price":4.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 40mm (1.2\")","offer_id":56467692486822,"sku":null,"price":6.85,"currency_code":"USD","in_stock":true},{"title":"Female Thread \/ 50mm (1.5\")","offer_id":56467692519590,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 20mm (1\/2\")","offer_id":56467684622502,"sku":null,"price":3.18,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 25mm (3\/4\")","offer_id":56467692552358,"sku":null,"price":3.65,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 32mm (1\")","offer_id":56467692585126,"sku":null,"price":4.36,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 40mm (1.2\")","offer_id":56467692617894,"sku":null,"price":6.85,"currency_code":"USD","in_stock":true},{"title":"Female Thread + Plug \/ 50mm (1.5\")","offer_id":56467692650662,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Bulkhead_Fitting_12_to_1.5_-_Rain_Barrel_Water_Tank_Connector_SlipThread_-001.jpg?v=1778724658"},{"product_id":"premium-abs-waterproof-tank-bulkhead-1-2-2-reverse-thread-lock-nut-connector-rain-barrel-aquarium-fitting","title":"Premium ABS Waterproof Tank Bulkhead (1\/2\" - 2\") | Reverse Thread Lock Nut Connector | Rain Barrel \u0026 Aquarium Fitting","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #fd7e14; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need industrial-grade heavy-duty fittings for extreme pressure? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-pvc-aquarium-bulkhead-fitting-1-2-to-1-5-rain-barrel-water-tank-connector-slip-thread\" style=\"color: #fd7e14; text-decoration: underline;\"\u003eHeavy-Duty UPVC Tank Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium ABS Waterproof Tank Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eSecure your water tanks, rain barrels, and aquariums with our durable ABS waterproof bulkheads from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed with a specialized locking mechanism, these lightweight yet robust fittings guarantee a vibration-proof, watertight seal for both home and commercial water storage systems.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003e🚨 CRUCIAL DESIGN FEATURE (PLEASE READ) 🚨\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"background-color: #f8d7da; padding: 15px 15px 15px 35px; border-radius: 5px; color: #721c24; border: 1px solid #f5c6cb;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Outer Thread (Left-Hand Thread):\u003c\/strong\u003e The external thread on this bulkhead is intentionally reversed! It is designed EXCLUSIVELY to be used with the included locking nut to secure the fitting to the tank wall. \u003cb\u003eIt CANNOT be used to connect to other standard external pipe fittings!\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Inner Thread:\u003c\/strong\u003e The inside of the fitting features standard female pipe threads (FPT), allowing you to easily and safely connect standard valves, nozzles, or male threaded pipes from the inside of the fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo avoid leaks, carefully match your drill hole size to the exact Outer Diameter (O.D.) of the reverse thread using our Atradesen.com guide:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" Size (I.D 20mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 35mm\u003c\/b\u003e | Max Wall Thickness: 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" Size (I.D 25mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 35mm\u003c\/b\u003e | Max Wall Thickness: 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Size (I.D 32mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 45mm\u003c\/b\u003e | Max Wall Thickness: 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/4\" Size (I.D 40mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 64mm\u003c\/b\u003e | Max Wall Thickness: 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/2\" Size (I.D 46\/50mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 64mm\u003c\/b\u003e | Max Wall Thickness: 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Size (I.D 58\/63mm):\u003c\/strong\u003e \u003cb\u003eDrill Hole: 78mm\u003c\/b\u003e | Max Wall Thickness: 22mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"1\/2\" Inch (Hole: 35mm | Max Wall: 12mm)","offer_id":56349957456038,"sku":"Fish_Tank_206","price":1.02,"currency_code":"USD","in_stock":true},{"title":"3\/4\" Inch (Hole: 35mm | Max Wall: 12mm)","offer_id":56349957488806,"sku":"Fish_Tank_207","price":1.65,"currency_code":"USD","in_stock":true},{"title":"1\" Inch (Hole: 45mm | Max Wall: 15mm)","offer_id":56349957521574,"sku":"Fish_Tank_208","price":3.21,"currency_code":"USD","in_stock":true},{"title":"1.2\" (1-1\/4\") Inch (Hole: 64mm | Max Wall: 22mm)","offer_id":56349957554342,"sku":"Fish_Tank_209","price":6.05,"currency_code":"USD","in_stock":true},{"title":"1.5\" (1-1\/2\") Inch (Hole: 64mm | Max Wall: 22mm)","offer_id":56349957587110,"sku":"Fish_Tank_210","price":6.82,"currency_code":"USD","in_stock":true},{"title":"2\" Inch (Hole: 78mm | Max Wall: 22mm)","offer_id":56349957619878,"sku":"Fish_Tank_211","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_ABS_Waterproof_Tank_Bulkhead_12_-_2_Reverse_Thread_Lock_Nut_Connector_Rain_Barrel_Aquarium_Fitting-002.jpg?v=1778769916"},{"product_id":"premium-pvc-aquarium-union-bulkhead-fitting-quick-disconnect-straight-elbow-drain-connector","title":"Premium PVC Aquarium Union Bulkhead Fitting - Quick Disconnect Straight \u0026 Elbow Drain Connector","description":"\u003ch2\u003ePremium PVC Aquarium Union Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eUpgrade your aquarium plumbing with our Premium PVC Union Bulkhead Fittings. Available in both straight and 90-degree elbow designs, these connectors feature a clever single-head true union nut. This allows you to easily disconnect and remove your plumbing lines for routine maintenance, pump replacement, or tank transportation without having to cut any glued pipes. Find professional, hassle-free aquatic plumbing gear at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our Union Bulkheads?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Disconnect Union:\u003c\/strong\u003e The integrated union collar lets you unscrew the connection point in seconds. Perfect for hard-plumbed aquariums, sumps, and water tanks that require occasional disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Leak-Proof Seal:\u003c\/strong\u003e Manufactured from high-quality PVC and equipped with a durable, eco-friendly silicone gasket to ensure a watertight seal against your glass or acrylic tank walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight \u0026amp; Elbow Options:\u003c\/strong\u003e Choose the straight connector for direct vertical drops, or the space-saving 90-degree elbow to route plumbing neatly against the back of your aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Drilling \u0026amp; Installation Guide:\u003c\/b\u003e\u003c\/strong\u003e The size listed is the \u003cstrong\u003eSlip Socket Inner Diameter (ID)\u003c\/strong\u003e. Match this to your pipe's OD. Drill hole requirements: 20mm ID (Hole 20-23mm), 25mm ID (Hole 25-28mm), 32mm ID (Hole 32-35mm), 40mm ID (Hole 40-43mm), and 50mm ID (Hole 50-55mm). Use PVC solvent cement for a secure pipe connection.\u003c\/p\u003e\u003ch3\u003e🔗 Frequently Bought Together \u0026amp; Related Gear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed standard fittings without the union?\u003c\/strong\u003e Check out our standard \u003ca href=\"#\" target=\"_blank\" title=\"Shop Standard Bulkheads\"\u003eExtended Thread Aquarium Bulkheads\u003c\/a\u003e for permanent installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl your water flow:\u003c\/strong\u003e Add a \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Union Ball Valves\"\u003ePVC True Union Ball Valve\u003c\/a\u003e to your return lines for precise flow adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed to connect hoses?\u003c\/strong\u003e Shop our \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Hose Barbs\"\u003ePVC Hose Barb Adapters\u003c\/a\u003e to switch from hard pipes to soft silicone tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Union Bulkhead Fitting \/ Quick Disconnect Drain Connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyles:\u003c\/strong\u003e Straight Connector, 90-Degree Elbow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Quality PVC \u0026amp; Silicone Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e 20mm, 25mm, 32mm, 40mm, 50mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Gray \/ Straight \/ Inner Dia.20mm","offer_id":56349957685414,"sku":"Fish_Tank_212","price":4.9,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Straight \/ Inner Dia.25mm","offer_id":56349957718182,"sku":"Fish_Tank_213","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Straight \/ Inner Dia.32mm","offer_id":56349957750950,"sku":"Fish_Tank_214","price":7.07,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Straight \/ Inner Dia.40mm","offer_id":56349957783718,"sku":"Fish_Tank_215","price":9.25,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Straight \/ Inner Dia.50mm","offer_id":56349957816486,"sku":"Fish_Tank_216","price":15.46,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Elbow \/ Inner Dia.20mm","offer_id":56467802226854,"sku":null,"price":4.96,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Elbow \/ Inner Dia.25mm","offer_id":56467802259622,"sku":null,"price":6.51,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Elbow \/ Inner Dia.32mm","offer_id":56467802292390,"sku":null,"price":7.89,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Elbow \/ Inner Dia.40mm","offer_id":56467802325158,"sku":null,"price":10.32,"currency_code":"USD","in_stock":true},{"title":"Gray \/ Elbow \/ Inner Dia.50mm","offer_id":56467802357926,"sku":null,"price":16.38,"currency_code":"USD","in_stock":true},{"title":"Black \/ Straight \/ Inner Dia.20mm","offer_id":56467801735334,"sku":null,"price":4.9,"currency_code":"USD","in_stock":true},{"title":"Black \/ Straight \/ Inner Dia.25mm","offer_id":56467801768102,"sku":null,"price":5.75,"currency_code":"USD","in_stock":true},{"title":"Black \/ Straight \/ Inner Dia.32mm","offer_id":56467801800870,"sku":null,"price":7.07,"currency_code":"USD","in_stock":true},{"title":"Black \/ Straight \/ Inner Dia.40mm","offer_id":56467801833638,"sku":null,"price":9.25,"currency_code":"USD","in_stock":true},{"title":"Black \/ Straight \/ Inner Dia.50mm","offer_id":56467801866406,"sku":null,"price":15.46,"currency_code":"USD","in_stock":true},{"title":"Black \/ Elbow \/ Inner Dia.20mm","offer_id":56467802390694,"sku":null,"price":4.96,"currency_code":"USD","in_stock":true},{"title":"Black \/ Elbow \/ Inner Dia.25mm","offer_id":56467802423462,"sku":null,"price":6.51,"currency_code":"USD","in_stock":true},{"title":"Black \/ Elbow \/ Inner Dia.32mm","offer_id":56467802456230,"sku":null,"price":7.89,"currency_code":"USD","in_stock":true},{"title":"Black \/ Elbow \/ Inner Dia.40mm","offer_id":56467802488998,"sku":null,"price":10.32,"currency_code":"USD","in_stock":true},{"title":"Black \/ Elbow \/ Inner Dia.50mm","offer_id":56467802521766,"sku":null,"price":16.38,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Straight \/ Inner Dia.20mm","offer_id":56467801899174,"sku":null,"price":4.9,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Straight \/ Inner Dia.25mm","offer_id":56467801931942,"sku":null,"price":5.75,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Straight \/ Inner Dia.32mm","offer_id":56467801964710,"sku":null,"price":7.07,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Straight \/ Inner Dia.40mm","offer_id":56467801997478,"sku":null,"price":9.25,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Straight \/ Inner Dia.50mm","offer_id":56467802030246,"sku":null,"price":15.46,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Elbow \/ Inner Dia.20mm","offer_id":56467802554534,"sku":null,"price":4.96,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Elbow \/ Inner Dia.25mm","offer_id":56467802587302,"sku":null,"price":6.51,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Elbow \/ Inner Dia.32mm","offer_id":56467802620070,"sku":null,"price":7.89,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Elbow \/ Inner Dia.40mm","offer_id":56467802652838,"sku":null,"price":10.32,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Elbow \/ Inner Dia.50mm","offer_id":56467802685606,"sku":null,"price":16.38,"currency_code":"USD","in_stock":true},{"title":"White \/ Straight \/ Inner Dia.20mm","offer_id":56467802063014,"sku":null,"price":4.9,"currency_code":"USD","in_stock":true},{"title":"White \/ Straight \/ Inner Dia.25mm","offer_id":56467802095782,"sku":null,"price":5.75,"currency_code":"USD","in_stock":true},{"title":"White \/ Straight \/ Inner Dia.32mm","offer_id":56467802128550,"sku":null,"price":7.07,"currency_code":"USD","in_stock":true},{"title":"White \/ Straight \/ Inner Dia.40mm","offer_id":56467802161318,"sku":null,"price":9.25,"currency_code":"USD","in_stock":true},{"title":"White \/ Straight \/ Inner Dia.50mm","offer_id":56467802194086,"sku":null,"price":15.46,"currency_code":"USD","in_stock":true},{"title":"White \/ Elbow \/ Inner Dia.20mm","offer_id":56467802718374,"sku":null,"price":4.96,"currency_code":"USD","in_stock":true},{"title":"White \/ Elbow \/ Inner Dia.25mm","offer_id":56467802751142,"sku":null,"price":6.51,"currency_code":"USD","in_stock":true},{"title":"White \/ Elbow \/ Inner Dia.32mm","offer_id":56467802783910,"sku":null,"price":7.89,"currency_code":"USD","in_stock":true},{"title":"White \/ Elbow \/ Inner Dia.40mm","offer_id":56467802816678,"sku":null,"price":10.32,"currency_code":"USD","in_stock":true},{"title":"White \/ Elbow \/ Inner Dia.50mm","offer_id":56467802849446,"sku":null,"price":16.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Union_Bulkhead_Fitting_-_Quick_Disconnect_Straight_Elbow_Drain_Connector-012.jpg?v=1778726600"},{"product_id":"extended-90-elbow-upvc-flush-mount-drain-20-63mm-space-saving-custom-cut-bulkhead-for-0-35mm-glass","title":"Extended 90° Elbow UPVC Flush Mount Drain (20-63mm) | Space-Saving Custom Cut Bulkhead for 0-35mm Glass","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have plenty of vertical space below your tank? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-upvc-flush-mount-drain-bulkhead-20-63mm-custom-cut-for-0-35mm-thick-glass-tanks-zero-dead-water\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eExtended Straight Flush Mount Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSpace-Saving Extended UPVC Elbow Drain Connector\u003c\/h2\u003e\u003cp\u003eSolve thick-glass plumbing and cramped cabinet spaces simultaneously with our Extended Elbow Flush Mount Drain from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Combining an extra-long threaded shaft, a zero-residue flat head, and a 90-degree elbow profile, this bulkhead is the ultimate space-saving solution for custom plywood builds or thick industrial water tanks.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Plumbing Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving 90° Elbow:\u003c\/strong\u003e Directs water sideways immediately upon exiting the tank, making it perfect for setups with extremely limited vertical clearance underneath.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Flush Mount (Zero Dead Water):\u003c\/strong\u003e The ultra-flat head sits perfectly level with your tank's bottom surface, ensuring 100% complete drainage without leaving any detritus behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Thread (Clamps up to 35mm):\u003c\/strong\u003e Designed for heavy-duty setups, the extended shaft easily secures to thick acrylic, double-layered glass, or wooden tanks up to 35mm thick.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Custom Cut Guide (Read Before Buying!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis product requires custom modification based on your tank! Please follow the Atradesen.com instructions below:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 LEAVE AN ORDER NOTE:\u003c\/strong\u003e Because the thread is exceptionally long, \u003cb\u003eyou MUST leave a note at checkout specifying your exact glass\/tank thickness\u003c\/b\u003e. Our factory will precision-cut the male thread to perfectly fit your setup before shipping! (If no note is left, we will ship the uncut maximum length).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Elbow:\u003c\/strong\u003e Fits 20mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Elbow:\u003c\/strong\u003e Fits 25mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Elbow:\u003c\/strong\u003e Fits 32mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;32mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Elbow:\u003c\/strong\u003e Fits 40mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;40mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Elbow:\u003c\/strong\u003e Fits 50mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm Elbow:\u003c\/strong\u003e Fits 63mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;60mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Inner 20mm","offer_id":56349957849254,"sku":"Fish_Tank_217","price":6.92,"currency_code":"USD","in_stock":true},{"title":"Inner 25mm","offer_id":56349957882022,"sku":"Fish_Tank_218","price":8.15,"currency_code":"USD","in_stock":true},{"title":"Inner 32mm","offer_id":56349957914790,"sku":"Fish_Tank_219","price":9.33,"currency_code":"USD","in_stock":true},{"title":"Inner 40mm","offer_id":56349957947558,"sku":"Fish_Tank_220","price":11.17,"currency_code":"USD","in_stock":true},{"title":"Inner 50mm","offer_id":56349957980326,"sku":"Fish_Tank_221","price":19.6,"currency_code":"USD","in_stock":true},{"title":"Inner 63mm","offer_id":56468481245350,"sku":null,"price":30.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Extended_90_Elbow_UPVC_Flush_Mount_Drain_20-63mm_Space-Saving_Custom_Cut_Bulkhead_for_0-35mm_Glass-002.jpg?v=1778763021"},{"product_id":"split-type-quick-release-aquarium-bulkhead-upper-lower-sump-water-joint-standpipe-overflow-drain-connector","title":"Split-Type Quick Release Aquarium Bulkhead | Upper\/Lower Sump Water Joint | Standpipe Overflow \u0026 Drain Connector","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #20c997; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for flush mount drains for zero-residue cleaning? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-aquarium-pvc-drain-joint-20-50mm-anti-clog-slotted-tank-bulkhead-fitting-with-silicone-seal\" style=\"color: #20c997; text-decoration: underline;\"\u003eNew-Style Flush Mount Bottom Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSplit-Type Quick Release Tank Bulkhead Connector\u003c\/h2\u003e\u003cp\u003eRevolutionize your aquarium sump plumbing with our innovative split-type water joints, available exclusively at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Engineered specifically for professional return (upper) and drain (lower) lines, these bulkheads feature an independent male thread design that allows for rapid disassembly. Perfect for routine maintenance without the nightmare of cutting glued pipes!\u003c\/p\u003e\u003ch3\u003e🌟 Smart Design for DIY Aquarists\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-Detach Split System:\u003c\/strong\u003e Easily unscrew the central joint to disconnect your hard plumbing lines in seconds. Ideal for system upgrades and deep cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Hard Pipe Connection:\u003c\/strong\u003e Both the top and bottom ends feature smooth sockets, allowing you to securely glue standard O.D. metric PVC pipes on both sides of the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenius Overflow \u0026amp; Drain Combo:\u003c\/strong\u003e The lower water joint features an extended male thread that can act as a manual control switch! Simply insert an extended PVC pipe to create a \u003cb\u003eStandpipe Overflow\u003c\/b\u003e. When it's time for a water change, just pull out or unscrew the pipe to instantly drain the tank from the bottom!\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Selection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease match your drill holes and pipe dimensions with the Atradesen.com specifications below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper Water Joint (Return):\u003c\/strong\u003e Requires a \u003cb\u003e40mm Drill Hole\u003c\/b\u003e. Both top and bottom sockets fit \u003cb\u003e25mm O.D.\u003c\/b\u003e hard pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Water Joint (Drain):\u003c\/strong\u003e Requires a \u003cb\u003e50mm Drill Hole\u003c\/b\u003e. The top socket fits a \u003cb\u003e40mm O.D.\u003c\/b\u003e pipe, and the bottom socket fits a \u003cb\u003e50mm O.D.\u003c\/b\u003e pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eBuild the ultimate filtration system with professional parts from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"Upper Water Joint","offer_id":56349958045862,"sku":"Fish_Tank_223","price":7.11,"currency_code":"USD","in_stock":true},{"title":"Lower Water Joint","offer_id":56349958078630,"sku":"Fish_Tank_224","price":10.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Split-Type_Quick_Release_Aquarium_Bulkhead_UpperLower_Sump_Water_Joint_Standpipe_Overflow_Drain_Connector-001.jpg?v=1778755129"},{"product_id":"round-hole-aquarium-drain-fitting-25-50mm-high-flow-flush-bottom-bulkhead-seafood-pool-sump-plumbing","title":"Round Hole Aquarium Drain Fitting (25-50mm) | High-Flow Flush Bottom Bulkhead | Seafood Pool \u0026 Sump Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #0056b3; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need a drain with an anti-clog grid cover to keep small fish safe? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/mini-flush-mount-aquarium-bottom-drain-20-25mm-slotted-anti-clog-pvc-bulkhead-straight-elbow-tank-connector\" style=\"color: #0056b3; text-decoration: underline;\"\u003eSlotted Anti-Clog Flush Mount Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eRound Hole Flush Drain Fitting for High-Density Tanks\u003c\/h2\u003e\u003cp\u003eExperience unrestricted water flow with our Round Hole Drain Fittings, exclusively sourced for \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Specifically engineered for high-density breeding tanks, seafood holding pools, and large aquariums, this fitting features an open-hole design (no slotted grill) to ensure massive water turnover and absolutely zero clogging from heavy fish waste.\u003c\/p\u003e\u003ch3\u003e🌊 Maximum Flow \u0026amp; Smart Plumbing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnrestricted Round Hole Design:\u003c\/strong\u003e Delivers incredibly smooth and rapid drainage. Perfect for heavy bio-load setups where thorough, blockage-free waste removal is critical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving \u0026amp; Flush Mount:\u003c\/strong\u003e Sits compactly against the tank bottom to save valuable swimming space. Available in both Straight and Elbow profiles to fit tight under-cabinet clearances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Drain Switch Setup:\u003c\/strong\u003e Connect it with a standard PVC ball valve below, or simply plug the top hole with a rubber stopper for a highly effective, low-cost manual drainage switch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo guarantee a 100% leak-proof installation, please follow the Atradesen.com exact drilling specifications:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass Clamping Capacity:\u003c\/strong\u003e Safely secures to glass or acrylic panels between \u003cb\u003e3mm and 15mm\u003c\/b\u003e thick using the included gaskets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize 25:\u003c\/strong\u003e Interface O.D. 25mm | \u003cb\u003eDrill Glass Hole: 20-25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize 32:\u003c\/strong\u003e Interface O.D. 32mm | \u003cb\u003eDrill Glass Hole: 27-32mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize 40:\u003c\/strong\u003e Interface O.D. 40mm | \u003cb\u003eDrill Glass Hole: 35-40mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize 50:\u003c\/strong\u003e Interface O.D. 50mm | \u003cb\u003eDrill Glass Hole: 45-50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"25 Straight Type","offer_id":56354469314726,"sku":"Fish_Tank_222","price":3.93,"currency_code":"USD","in_stock":true},{"title":"32 Straight Type","offer_id":56354469347494,"sku":"Fish_Tank_225","price":4.65,"currency_code":"USD","in_stock":true},{"title":"40 Straight Type","offer_id":56349958144166,"sku":"Fish_Tank_226","price":5.21,"currency_code":"USD","in_stock":true},{"title":"50 Straight Type","offer_id":56468446740646,"sku":null,"price":6.93,"currency_code":"USD","in_stock":true},{"title":"25 Elbow Type","offer_id":56468446773414,"sku":null,"price":3.93,"currency_code":"USD","in_stock":true},{"title":"32 Elbow Type","offer_id":56468446806182,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"40 Elbow Type","offer_id":56468446838950,"sku":null,"price":5.21,"currency_code":"USD","in_stock":true},{"title":"50 Elbow Type","offer_id":56468446871718,"sku":null,"price":6.93,"currency_code":"USD","in_stock":true},{"title":"25 Rubber Plug","offer_id":56468446904486,"sku":null,"price":1.93,"currency_code":"USD","in_stock":true},{"title":"32 Rubber Plug","offer_id":56468446937254,"sku":null,"price":3.93,"currency_code":"USD","in_stock":true},{"title":"40 Rubber Plug","offer_id":56468446970022,"sku":null,"price":0.93,"currency_code":"USD","in_stock":true},{"title":"50 Rubber Plug","offer_id":56468447002790,"sku":null,"price":0.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Round_Hole_Aquarium_Drain_Fitting_25-50mm_High-Flow_Flush_Bottom_Bulkhead_Seafood_Pool_Sump_Plumbing-001.jpg?v=1778759703"},{"product_id":"dual-sided-extended-upvc-flush-mount-drain-20-63mm-custom-cut-bulkhead-for-0-35mm-glass-zero-dead-water","title":"Dual-Sided Extended UPVC Flush Mount Drain (20-63mm) | Custom Cut Bulkhead for 0-35mm Glass | Zero Dead Water","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #28a745; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need a space-saving 90-degree version for tight cabinets? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-upvc-flush-mount-drain-bulkhead-20-63mm-custom-cut-for-0-35mm-thick-glass-tanks-zero-dead-water\" style=\"color: #28a745; text-decoration: underline;\"\u003eExtended Elbow Flush Mount Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eDual-Sided Extended UPVC Flush Mount Drain Connector\u003c\/h2\u003e\u003cp\u003eUpgrade your heavy-duty plumbing with our Dual-Sided Extended Flush Mount Drain from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Uniquely designed with inner pipe sockets on BOTH ends, this fitting allows you to seamlessly glue hard PVC pipes inside and outside the tank. Combined with an extra-long threaded shaft and a zero-residue flat head, it is the ultimate solution for thick custom plywood builds or industrial water tanks.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Dual-Connection Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Sided Pipe Sockets:\u003c\/strong\u003e Unlike standard flush drains, this upgraded model allows you to connect and glue metric hard pipes on both sides of the bulkhead for a complete plumbing circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Flush Mount (Zero Dead Water):\u003c\/strong\u003e The ultra-flat head sits perfectly level with your tank's bottom surface, ensuring 100% complete drainage without leaving stagnant water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Thread (Clamps up to 35mm):\u003c\/strong\u003e Easily secures to thick acrylic, double-layered glass, or wooden tanks up to 35mm thick with absolute leak-proof reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Custom Cut Guide (Read Before Buying!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis product requires custom modification based on your exact tank thickness! Please follow the Atradesen.com instructions:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 LEAVE AN ORDER NOTE:\u003c\/strong\u003e Because the thread is exceptionally long, \u003cb\u003eyou MUST leave a note at checkout specifying your exact glass\/tank thickness\u003c\/b\u003e. Our factory will precision-cut the male thread to perfectly fit your setup before shipping! (If no note is left, we will ship the uncut maximum length).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Straight:\u003c\/strong\u003e Fits 20mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Straight:\u003c\/strong\u003e Fits 25mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Straight:\u003c\/strong\u003e Fits 32mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;32mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Straight:\u003c\/strong\u003e Fits 40mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;40mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Straight:\u003c\/strong\u003e Fits 50mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm Straight:\u003c\/strong\u003e Fits 63mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;60mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"I.D 20mm","offer_id":56349958832294,"sku":"Fish_Tank_227","price":6.78,"currency_code":"USD","in_stock":true},{"title":"I.D 25mm","offer_id":56349958865062,"sku":"Fish_Tank_228","price":7.84,"currency_code":"USD","in_stock":true},{"title":"I.D 32mm","offer_id":56349958897830,"sku":"Fish_Tank_229","price":8.69,"currency_code":"USD","in_stock":true},{"title":"I.D 40mm","offer_id":56349958930598,"sku":"Fish_Tank_230","price":9.16,"currency_code":"USD","in_stock":true},{"title":"I.D 50mm","offer_id":56349958963366,"sku":"Fish_Tank_231","price":11.67,"currency_code":"USD","in_stock":true},{"title":"I.D 63mm","offer_id":56349958996134,"sku":"Fish_Tank_232","price":14.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Dual-Sided_Extended_UPVC_Flush_Mount_Drain_20-63mm_Custom_Cut_Bulkhead_for_0-35mm_Glass_Zero_Dead_Water-003.jpg?v=1778763313"},{"product_id":"extended-upvc-flush-mount-drain-bulkhead-20-63mm-custom-cut-for-0-35mm-thick-glass-tanks-zero-dead-water","title":"Extended UPVC Flush Mount Drain Bulkhead (20-63mm) | Custom Cut for 0-35mm Thick Glass Tanks | Zero Dead Water","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #dc3545; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have standard glass thickness and don't need a custom cut? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/standard-upvc-aquarium-bulkhead-fitting-20-75mm-straight-tank-connector-with-silicone-gasket-100-watertight\" style=\"color: #dc3545; text-decoration: underline;\"\u003eHeavy-Duty Standard UPVC Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eExtended UPVC Flush Mount Drain Connector\u003c\/h2\u003e\u003cp\u003eSolve your thick-glass plumbing challenges with our Extended Flush Mount Drain fitting from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Combining an extra-long threaded shaft with a flat-head interior profile, this bulkhead is the ultimate solution for massive aquariums, custom plywood builds, or thick industrial water tanks.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Plumbing Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Flush Mount (Zero Dead Water):\u003c\/strong\u003e The ultra-flat head sits perfectly level with your tank's bottom surface, ensuring 100% complete drainage without leaving any stagnant water or detritus behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Thread (Clamps up to 35mm):\u003c\/strong\u003e Designed for heavy-duty setups, the extended shaft easily secures to thick acrylic, double-layered glass, or wooden tanks up to 35mm thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Silicone Sealing:\u003c\/strong\u003e Comes with premium, high-elasticity dual silicone washers that conform to flat surfaces, providing an absolute leak-proof grip.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Custom Cut Guide (Read Before Buying!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis product requires custom modification based on your tank! Please follow the Atradesen.com instructions below:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 LEAVE AN ORDER NOTE:\u003c\/strong\u003e Because the thread is exceptionally long, \u003cb\u003eyou MUST leave a note at checkout specifying your exact glass\/tank thickness\u003c\/b\u003e. Our factory will precision-cut the male thread to perfectly fit your setup before shipping! (If no note is left, we will ship the uncut maximum length).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;32mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Fits 40mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;40mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Fits 50mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D. Model:\u003c\/strong\u003e Fits 63mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;60mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D","offer_id":56349959028902,"sku":"Fish_Tank_233","price":6.78,"currency_code":"USD","in_stock":true},{"title":"25mm I.D","offer_id":56349959061670,"sku":"Fish_Tank_234","price":7.84,"currency_code":"USD","in_stock":true},{"title":"32mm I.D","offer_id":56349959094438,"sku":"Fish_Tank_235","price":8.69,"currency_code":"USD","in_stock":true},{"title":"40mm I.D","offer_id":56349959127206,"sku":"Fish_Tank_236","price":9.16,"currency_code":"USD","in_stock":true},{"title":"50mm I.D","offer_id":56349959159974,"sku":"Fish_Tank_237","price":12.84,"currency_code":"USD","in_stock":true},{"title":"63mm I.D","offer_id":56468479180966,"sku":null,"price":20.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Extended_UPVC_Flush_Mount_Drain_Bulkhead_20-63mm_Custom_Cut_for_0-35mm_Thick_Glass_Tanks_Zero_Dead_Water-002.jpg?v=1778762620"},{"product_id":"standard-pvc-flush-mount-aquarium-drain-bulkhead-20-75mm-flat-head-bottom-connector-single-side-pipe-slip","title":"Standard PVC Flush Mount Aquarium Drain Bulkhead (20-75mm) | Flat Head Bottom Connector | Single-Side Pipe Slip","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #007bff; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have a thick tank or need to connect PVC pipes INSIDE the tank? Upgrade to our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-upvc-bulkhead-union-coupling-20-75mm-space-saving-tank-connector-for-0-25mm-glass-aquarium-sump\" style=\"color: #007bff; text-decoration: underline;\"\u003eDual-Sided Extended Flush Mount Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eStandard Flush Mount Aquarium Drain Bulkhead\u003c\/h2\u003e\u003cp\u003eAchieve a perfectly clean fish tank with our Standard Flat Head Drain Connector from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed specifically for bottom drainage in standard glass aquariums, this bulkhead sits completely flush against the tank floor, ensuring 100% thorough water removal with zero dead zones.\u003c\/p\u003e\u003ch3\u003e🌟 Key Features \u0026amp; Important Limitations\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Residue Flat Head:\u003c\/strong\u003e The interior flat profile allows all detritus and water to drain completely without obstruction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Thread Design:\u003c\/strong\u003e Cost-effective profile optimized for standard commercial aquariums (clamps standard glass thicknesses).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 Single-Sided Pipe Connection (PLEASE READ):\u003c\/strong\u003e The flat head inside the tank CANNOT connect to a pipe. PVC pipes can ONLY be glued into the protruding socket on the outside\/bottom of the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease strictly verify your glass thickness and drill hole size with Atradesen.com's specs before ordering to ensure a tight, leak-proof fit:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;21mm | Clamps Glass: 3-8mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;27mm | Clamps Glass: 0-10mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;33mm | Clamps Glass: 0-10mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Fits 40mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;42mm | Clamps Glass: 4-12mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Fits 50mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;48mm | Clamps Glass: 3-12mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D. Model:\u003c\/strong\u003e Fits 63mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;59mm | Clamps Glass: 4-12mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75mm I.D. Model:\u003c\/strong\u003e Fits 75mm O.D. Pipe | \u003cb\u003eDrill Hole: \u0026gt;74mm | Clamps Glass: 0-12mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (Hole: \u003e21mm | Max Glass: 8mm)","offer_id":56349959192742,"sku":"Fish_Tank_238","price":4.02,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (Hole: \u003e27mm | Max Glass: 10mm)","offer_id":56349959225510,"sku":"Fish_Tank_239","price":5.61,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (Hole: \u003e33mm | Max Glass: 10mm)","offer_id":56349959258278,"sku":"Fish_Tank_240","price":6.07,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (Hole: \u003e42mm | Max Glass: 12mm)","offer_id":56349959291046,"sku":"Fish_Tank_241","price":7.86,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (Hole: \u003e48mm | Max Glass: 12mm)","offer_id":56349959323814,"sku":"Fish_Tank_242","price":9.94,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (Hole: \u003e59mm | Max Glass: 12mm)","offer_id":56468487340198,"sku":null,"price":15.02,"currency_code":"USD","in_stock":true},{"title":"75mm I.D. (Hole: \u003e74mm | Max Glass: 12mm)","offer_id":56468487372966,"sku":null,"price":23.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Standard_PVC_Flush_Mount_Aquarium_Drain_Bulkhead_20-75mm_Flat_Head_Bottom_Connector_Single-Side_Pipe_Slip-001.jpg?v=1778763733"},{"product_id":"premium-upvc-extended-aquarium-bulkhead-fitting-widened-leak-proof-tank-connector","title":"Premium UPVC Extended Aquarium Bulkhead Fitting - Widened Leak-Proof Tank Connector","description":"\u003ch2\u003ePremium UPVC Extended Aquarium Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eSecure your aquarium's inflow and outflow systems with our Premium UPVC Extended Bulkhead Fittings. Specially engineered to connect PVC pipes on both sides of your glass or acrylic tank, these waterproof joints feature a widened nut and thickened silicone gasket to guarantee a flawless, leak-proof seal. Whether you are building a custom sump, a complex overflow box, or a heavy-duty water tank, find all your professional plumbing solutions at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Choose Our Extended Bulkheads?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidened \u0026amp; Extended Design:\u003c\/strong\u003e The extended middle threaded pipe easily clamps glass up to 25mm thick. If the thread is too long for thinner glass, it can be easily sawn short without affecting functionality. The widened nut ensures a larger contact surface for superior stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Silicone Gasket:\u003c\/strong\u003e Each fitting comes equipped with widened and thickened premium silicone gaskets of moderate hardness, delivering excellent, long-lasting sealing performance under high water pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Configurations:\u003c\/strong\u003e Available in three practical styles as shown in our reference image 8_002.jpg: Straight-to-Straight, Straight-to-Elbow, and Elbow-to-Elbow to perfectly match your specific plumbing routing needs behind or under the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cb\u003e⚠️ Drilling \u0026amp; Sizing Guide:\u003c\/b\u003e\u003c\/strong\u003e The interface inner diameter perfectly matches your PVC pipe's outer diameter. For a 20mm fitting, drill a 20mm hole; for 25mm, a 25mm hole; for 32mm, a 32mm hole; for 40mm, a 40mm hole; and for 50mm, a 50mm hole. If your tank wall exceeds the default 25mm clamping thickness, please contact our customer service for custom extended thread options.\u003c\/p\u003e\u003ch3\u003e🔗 Frequently Bought Together \u0026amp; Related Gear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed a quick-disconnect option?\u003c\/strong\u003e Check out our \u003ca href=\"#\" target=\"_blank\" title=\"Shop Union Drain Connectors\"\u003ePVC Union Drain Connectors\u003c\/a\u003e for easy maintenance and disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild your complete system:\u003c\/strong\u003e Pair these bulkheads with our high-quality \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Pipes\"\u003eRigid UPVC Pipes\u003c\/a\u003e and \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Valves\"\u003eUPVC Ball Valves\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure a perfect bond:\u003c\/strong\u003e Don't forget your \u003ca href=\"#\" target=\"_blank\" title=\"Shop PVC Adhesive\"\u003eAquarium-Safe PVC Solvent Cement\u003c\/a\u003e for secure slip-socket welding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e UPVC Extended Bulkhead Fitting \/ Waterproof Tank Joint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium UPVC \u0026amp; Thickened Silicone Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Styles:\u003c\/strong\u003e Straight + Straight, Straight + Elbow, Elbow + Elbow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Thickness:\u003c\/strong\u003e Defaults to 0-25mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Straight + Straight \/ Inner Dia.20mm","offer_id":56467867467942,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"Straight + Straight \/ Inner Dia.25mm","offer_id":56467867500710,"sku":null,"price":11.36,"currency_code":"USD","in_stock":true},{"title":"Straight + Straight \/ Inner Dia.32mm","offer_id":56467867533478,"sku":null,"price":15.23,"currency_code":"USD","in_stock":true},{"title":"Straight + Straight \/ Inner Dia.40mm","offer_id":56467867566246,"sku":null,"price":17.65,"currency_code":"USD","in_stock":true},{"title":"Straight + Straight \/ Inner Dia.50mm","offer_id":56467867599014,"sku":null,"price":23.53,"currency_code":"USD","in_stock":true},{"title":"Straight + Straight \/ Inner Dia.63mm","offer_id":56467867631782,"sku":null,"price":28.12,"currency_code":"USD","in_stock":true},{"title":"Straight + Elbow \/ Inner Dia.20mm","offer_id":56467867664550,"sku":null,"price":10.36,"currency_code":"USD","in_stock":true},{"title":"Straight + Elbow \/ Inner Dia.25mm","offer_id":56467867697318,"sku":null,"price":13.65,"currency_code":"USD","in_stock":true},{"title":"Straight + Elbow \/ Inner Dia.32mm","offer_id":56467867730086,"sku":null,"price":16.85,"currency_code":"USD","in_stock":true},{"title":"Straight + Elbow \/ Inner Dia.40mm","offer_id":56467867762854,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false},{"title":"Straight + Elbow \/ Inner Dia.50mm","offer_id":56467867795622,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false},{"title":"Straight + Elbow \/ Inner Dia.63mm","offer_id":56467867828390,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false},{"title":"Elbow + Elbow \/ Inner Dia.20mm","offer_id":56467867861158,"sku":null,"price":10.63,"currency_code":"USD","in_stock":true},{"title":"Elbow + Elbow \/ Inner Dia.25mm","offer_id":56467867893926,"sku":null,"price":15.62,"currency_code":"USD","in_stock":true},{"title":"Elbow + Elbow \/ Inner Dia.32mm","offer_id":56467867926694,"sku":null,"price":19.85,"currency_code":"USD","in_stock":true},{"title":"Elbow + Elbow \/ Inner Dia.40mm","offer_id":56467867959462,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false},{"title":"Elbow + Elbow \/ Inner Dia.50mm","offer_id":56467867992230,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false},{"title":"Elbow + Elbow \/ Inner Dia.63mm","offer_id":56467868024998,"sku":null,"price":8.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Extended_Aquarium_Bulkhead_Fitting_-_Widened_Leak-Proof_Tank_Connector-002.jpg?v=1778731658"},{"product_id":"premium-pvc-standpipe-drain-connector-25-40mm-flush-mount-bulkhead-with-water-level-tube-seafood-pool-sump","title":"Premium PVC Standpipe Drain Connector (25-40mm) | Flush Mount Bulkhead with Water Level Tube | Seafood Pool \u0026 Sump","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Don't need the adjustable standpipe feature? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/round-hole-aquarium-drain-fitting-25-50mm-high-flow-flush-bottom-bulkhead-seafood-pool-sump-plumbing\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eStandard Circular Hole Flush Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePVC Flush Mount Drain Connector with Standpipe Option\u003c\/h2\u003e\u003cp\u003eTake total control of your tank's water level and drainage with our innovative Standpipe Drain Connectors from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed for seafood pools, turtle tanks, and custom sumps, this system allows you to easily insert or remove a PVC standpipe (water level tube) to adjust your water height or flush the tank instantly without changing the underlying plumbing.\u003c\/p\u003e\u003ch3\u003e🌊 Dynamic Water Control \u0026amp; High Flow\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-Removable Standpipe:\u003c\/strong\u003e Insert the matching standpipe to set a high water level (acts as an overflow). Pull the pipe out to instantly drain the tank from the flush bottom hole!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Clog Circular Drain:\u003c\/strong\u003e The flush-mount flat head design features an unrestricted wide-open hole. Perfect for clearing large fish waste and heavy detritus without clogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium PVC Material:\u003c\/strong\u003e Made from drinking-water-safe PVC. Includes silicone gaskets suitable for clamping glass or plastic tanks up to 15mm thick.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Selection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Connectors and Standpipes have different diameters so they can sleeve into each other. Please read the Atradesen.com matching guide before adding to cart:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Connector:\u003c\/strong\u003e Drill Hole: ~27mm | Bottom connects to 25mm pipe | \u003cb\u003eTop accepts 19mm Standpipe\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Connector:\u003c\/strong\u003e Drill Hole: ~34mm | Bottom connects to 32mm pipe | \u003cb\u003eTop accepts 25mm Standpipe\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Connector:\u003c\/strong\u003e Drill Hole: ~42mm | Bottom connects to 40mm pipe | \u003cb\u003eTop accepts 32mm Standpipe\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e💡 Note: Connectors and Standpipes are selected separately in the dropdown menu. Ensure you match the correct sizes!\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Connector 25mm I.D. (Accepts 19mm Standpipe) \/ Grey","offer_id":56349959553190,"sku":"Fish_Tank_249","price":2.74,"currency_code":"USD","in_stock":true},{"title":"Connector 25mm I.D. (Accepts 19mm Standpipe) \/ White","offer_id":56468546125990,"sku":null,"price":2.74,"currency_code":"USD","in_stock":true},{"title":"Connector 32mm I.D. (Accepts 25mm Standpipe) \/ Grey","offer_id":56349959585958,"sku":"Fish_Tank_250","price":3.01,"currency_code":"USD","in_stock":true},{"title":"Connector 32mm I.D. (Accepts 25mm Standpipe) \/ White","offer_id":56468546158758,"sku":null,"price":3.01,"currency_code":"USD","in_stock":true},{"title":"Connector 40mm I.D. (Accepts 32mm Standpipe) \/ Grey","offer_id":56349959618726,"sku":"Fish_Tank_251","price":3.98,"currency_code":"USD","in_stock":true},{"title":"Connector 40mm I.D. (Accepts 32mm Standpipe) \/ White","offer_id":56468546191526,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true},{"title":"Standpipe 19mm O.D. (Fits 25mm Connector) \/ Grey","offer_id":56349959651494,"sku":"Fish_Tank_252","price":4.52,"currency_code":"USD","in_stock":true},{"title":"Standpipe 19mm O.D. (Fits 25mm Connector) \/ White","offer_id":56468546224294,"sku":null,"price":4.52,"currency_code":"USD","in_stock":true},{"title":"Standpipe 25mm O.D. (Fits 32mm Connector) \/ Grey","offer_id":56349959684262,"sku":"Fish_Tank_253","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Standpipe 25mm O.D. (Fits 32mm Connector) \/ White","offer_id":56468546257062,"sku":null,"price":5.5,"currency_code":"USD","in_stock":true},{"title":"Standpipe 32mm O.D. (Fits 40mm Connector) \/ Grey","offer_id":56468546289830,"sku":null,"price":6.74,"currency_code":"USD","in_stock":true},{"title":"Standpipe 32mm O.D. (Fits 40mm Connector) \/ White","offer_id":56468546322598,"sku":null,"price":6.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Standpipe_Drain_Connector_25-40mm_Flush_Mount_Bulkhead_with_Water_Level_Tube_Seafood_Pool_Sump-001.jpg?v=1778768127"},{"product_id":"standard-upvc-aquarium-bulkhead-fitting-20-75mm-straight-tank-connector-with-silicone-gasket-100-watertight","title":"Standard UPVC Aquarium Bulkhead Fitting (20-75mm) | Straight Tank Connector with Silicone Gasket | 100% Watertight","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Does your fish tank have extra thick glass? Upgrade to our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-upvc-extended-aquarium-bulkhead-fitting-widened-leak-proof-tank-connector\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eExtended Thread UPVC Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e for thicker clamping.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eStandard UPVC Straight Bulkhead Fitting for Aquariums\u003c\/h2\u003e\u003cp\u003eEnsure a 100% watertight seal for your aquatic setups with our premium standard UPVC straight tank connector, available at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Specifically engineered for aquarium plumbing, this fitting allows you to seamlessly connect hard PVC pipes on both sides of the glass panel without any risk of leakage.\u003c\/p\u003e\u003ch3\u003e💧 Key Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Silicone Gasket:\u003c\/strong\u003e Outperforms standard rubber by offering superior elasticity and anti-aging properties, ensuring a long-lasting, drip-free seal for your expensive fish tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Sided Pipe Connection:\u003c\/strong\u003e The straight socket design allows for easy glue-in connection of standard O.D. metric PVC pipes on both the inside and outside of the tank wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquatic Safe Material:\u003c\/strong\u003e Made from high-quality, non-toxic UPVC. Corrosion-resistant and perfectly safe for both freshwater and marine aquarium ecosystems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo avoid installation issues, please carefully match your pipe size, drill hole size, and glass thickness before ordering on Atradesen.com:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D.:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Drill Hole: \u0026gt;21mm | Clamps Glass: 3-8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D.:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Drill Hole: \u0026gt;27mm | Clamps Glass: 0-10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D.:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Drill Hole: \u0026gt;33mm | Clamps Glass: 0-10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D.:\u003c\/strong\u003e Fits 40mm O.D. Pipe | Drill Hole: \u0026gt;42mm | Clamps Glass: 4-12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D.:\u003c\/strong\u003e Fits 50mm O.D. Pipe | Drill Hole: \u0026gt;48mm | Clamps Glass: 3-12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D.:\u003c\/strong\u003e Fits 63mm O.D. Pipe | Drill Hole: \u0026gt;59mm | Clamps Glass: 4-12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75mm I.D.:\u003c\/strong\u003e Fits 75mm O.D. Pipe | Drill Hole: \u0026gt;74mm | Clamps Glass: 0-12mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eEquip your custom filtration systems with the most reliable plumbing parts at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (Hole: \u003e21mm | Glass: 3-8mm)","offer_id":56349959717030,"sku":"Fish_Tank_254","price":4.24,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (Hole: \u003e27mm | Glass: 0-10mm)","offer_id":56349959749798,"sku":"Fish_Tank_255","price":4.77,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (Hole: \u003e33mm | Glass: 0-10mm)","offer_id":56349959782566,"sku":"Fish_Tank_256","price":5.03,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (Hole: \u003e42mm | Glass: 4-12mm)","offer_id":56349959815334,"sku":"Fish_Tank_257","price":5.75,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (Hole: \u003e52mm | Glass: 3-12mm)","offer_id":56349959848102,"sku":"Fish_Tank_258","price":10.65,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (Hole: \u003e65mm | Glass: 4-12mm)","offer_id":56349959880870,"sku":"Fish_Tank_259","price":16.86,"currency_code":"USD","in_stock":true},{"title":"75mm I.D. (Hole: \u003e76mm | Glass: 0-12mm)","offer_id":56349959913638,"sku":"Fish_Tank_260","price":29.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Standard_UPVC_Aquarium_Bulkhead_Fitting_20-75mm_Straight_Tank_Connector_with_Silicone_Gasket_100_Watertight-005.png?v=1778740532"},{"product_id":"premium-pvc-aquarium-tee-bulkhead-fitting-20mm-upper-lower-water-drain-joint-for-multi-tank-racks","title":"Premium PVC Aquarium Tee Bulkhead Fitting (20mm) | Upper\/Lower Water \u0026 Drain Joint for Multi-Tank Racks","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Building a single tank setup? Check out our standard \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-90-elbow-pvc-aquarium-drain-joint-20-50mm-space-saving-slotted-tank-bulkhead-anti-clog-plumbing\" style=\"color: #17a2b8; text-decoration: underline;\"\u003e90° Elbow Tank Bulkheads\u003c\/a\u003e\u003c\/strong\u003e for space-saving corners.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium PVC Aquarium Tee Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eRevolutionize your multi-tank plumbing with our Integrated Tee Bulkhead Fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for fish room breeding racks, interconnected sumps, and commercial seafood pools, this unique T-shaped tank connector allows you to daisy-chain multiple tanks using a single mainline, saving massive space and reducing potential leak points.\u003c\/p\u003e\u003ch3\u003e🌟 Designed for Multi-Tank Efficiency\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Series Connection:\u003c\/strong\u003e The built-in Tee design eliminates the need for bulky separate bulkheads and external T-fittings. Connect your water supply or drainage line straight through multiple tanks for a clean, professional layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Specialized Styles:\u003c\/strong\u003e Choose the \u003cb\u003eUpper\/Lower Water Tee\u003c\/b\u003e for standard high-flow returns, or the \u003cb\u003eDrainage Tee\u003c\/b\u003e (featuring a slotted anti-clog cover) for efficient bottom waste removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Silicone Seal:\u003c\/strong\u003e Equipped with a high-elasticity silicone gasket ensuring a watertight grip. Connects to standard PVC pipes via push-fit (low pressure) or PVC cement (high pressure).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlease match your setup with the Atradesen.com specifications below to ensure a perfect fit:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Compatibility:\u003c\/strong\u003e 20mm Inner Diameter (Perfectly fits standard \u003cb\u003e20mm O.D.\u003c\/b\u003e hard pipes).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Drill Hole:\u003c\/strong\u003e 20mm - 23mm in diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Glass Thickness:\u003c\/strong\u003e Safely clamps onto glass or acrylic up to \u003cb\u003e15mm\u003c\/b\u003e thick.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Blue \/ Upper\/Lower Water Tee (Standard Flow)","offer_id":56349959946406,"sku":"Fish_Tank_262","price":1.38,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Anti-Clog Drainage Tee (Slotted Cover)","offer_id":56468516765862,"sku":null,"price":1.38,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Upper\/Lower Water Tee (Standard Flow)","offer_id":56468516798630,"sku":null,"price":1.38,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Anti-Clog Drainage Tee (Slotted Cover)","offer_id":56468516831398,"sku":null,"price":1.38,"currency_code":"USD","in_stock":true},{"title":"White \/ Upper\/Lower Water Tee (Standard Flow)","offer_id":56468516864166,"sku":null,"price":1.38,"currency_code":"USD","in_stock":true},{"title":"White \/ Anti-Clog Drainage Tee (Slotted Cover)","offer_id":56468516896934,"sku":null,"price":1.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Tee_Bulkhead_Fitting_20mm_UpperLower_Water_Drain_Joint_for_Multi-Tank_Racks-006.jpg?v=1778766443"},{"product_id":"premium-pvc-circular-hole-aquarium-drain-fitting-20-50mm-high-flow-flush-mount-bulkhead-turtle-tank-seafood-pool","title":"Premium PVC Circular Hole Aquarium Drain Fitting (20-50mm) | High Flow Flush Mount Bulkhead | Turtle Tank \u0026 Seafood Pool","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #0056b3; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need a drain with a strainer to protect small fish? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/slotted-pvc-aquarium-drain-bulkhead-20-50mm-anti-clog-strainer-tank-connector-dual-silicone-gasket\" style=\"color: #0056b3; text-decoration: underline;\"\u003eSlotted Anti-Clog PVC Drain Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHigh-Flow Circular Hole PVC Drain Fitting\u003c\/h2\u003e\u003cp\u003eExperience unrestricted water flow and ultimate waste removal with our Circular Hole Drain Fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Manufactured from drinking-water-grade PVC, this bulkhead is specifically designed for turtle tanks, koi ponds, high-density seafood pools, and custom aquariums that require massive, clog-free drainage for large detritus.\u003c\/p\u003e\u003ch3\u003e🌊 Maximum Flow \u0026amp; Non-Clogging Design\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnrestricted Circular Hole:\u003c\/strong\u003e The open, grid-less design easily passes large particles and heavy turtle\/fish waste without clogging, making it incredibly easy to clean and maintain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Bottom Drainage:\u003c\/strong\u003e Engineered to sit perfectly flat against the tank floor, ensuring complete water and waste removal with zero dead zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Switch Setup:\u003c\/strong\u003e Connect to standard PVC hard pipes via push-fit or PVC cement. Pair it with a PVC ball valve below, or simply plug the top hole with a rubber stopper for a highly effective, low-cost manual drain switch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a 100% leak-proof fit by matching your tank specs with our Atradesen.com guide before ordering:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Drill Hole: 20-23mm | Clamps Glass: 0-15mm | Fits 20mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Drill Hole: 25-28mm | Clamps Glass: 0-18mm | Fits 25mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Drill Hole: 32-35mm | Clamps Glass: 0-24mm | Fits 32mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D. Model:\u003c\/strong\u003e Drill Hole: 40-43mm | Clamps Glass: 0-25mm | Fits 40mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e Drill Hole: 50-55mm | Clamps Glass: 0-26mm | Fits 50mm O.D. Pipe\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm Straight (Hole: 20-23mm | Glass: 0-15mm) \/ Grey","offer_id":56349959979174,"sku":"Fish_Tank_263","price":1.85,"currency_code":"USD","in_stock":true},{"title":"20mm Straight (Hole: 20-23mm | Glass: 0-15mm) \/ Black","offer_id":56349960011942,"sku":"Fish_Tank_264","price":1.85,"currency_code":"USD","in_stock":true},{"title":"20mm Straight (Hole: 20-23mm | Glass: 0-15mm) \/ Blue","offer_id":56349960044710,"sku":"Fish_Tank_265","price":1.85,"currency_code":"USD","in_stock":true},{"title":"20mm Straight (Hole: 20-23mm | Glass: 0-15mm) \/ White","offer_id":56349960077478,"sku":"Fish_Tank_266","price":1.85,"currency_code":"USD","in_stock":true},{"title":"25mm Straight (Hole: 25-28mm | Glass: 0-18mm) \/ Grey","offer_id":56468528496806,"sku":null,"price":2.36,"currency_code":"USD","in_stock":true},{"title":"25mm Straight (Hole: 25-28mm | Glass: 0-18mm) \/ Black","offer_id":56468528529574,"sku":null,"price":2.36,"currency_code":"USD","in_stock":true},{"title":"25mm Straight (Hole: 25-28mm | Glass: 0-18mm) \/ Blue","offer_id":56468528562342,"sku":null,"price":2.36,"currency_code":"USD","in_stock":true},{"title":"25mm Straight (Hole: 25-28mm | Glass: 0-18mm) \/ White","offer_id":56468528595110,"sku":null,"price":2.36,"currency_code":"USD","in_stock":true},{"title":"32mm Straight (Hole: 32-35mm | Glass: 0-24mm) \/ Grey","offer_id":56468528627878,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"32mm Straight (Hole: 32-35mm | Glass: 0-24mm) \/ Black","offer_id":56468528660646,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"32mm Straight (Hole: 32-35mm | Glass: 0-24mm) \/ Blue","offer_id":56468528693414,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"32mm Straight (Hole: 32-35mm | Glass: 0-24mm) \/ White","offer_id":56468528726182,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"40mm Straight (Hole: 40-43mm | Glass: 0-25mm) \/ Grey","offer_id":56468528758950,"sku":null,"price":4.27,"currency_code":"USD","in_stock":true},{"title":"40mm Straight (Hole: 40-43mm | Glass: 0-25mm) \/ Black","offer_id":56468528791718,"sku":null,"price":4.27,"currency_code":"USD","in_stock":true},{"title":"40mm Straight (Hole: 40-43mm | Glass: 0-25mm) \/ Blue","offer_id":56468528824486,"sku":null,"price":4.27,"currency_code":"USD","in_stock":true},{"title":"40mm Straight (Hole: 40-43mm | Glass: 0-25mm) \/ White","offer_id":56468528857254,"sku":null,"price":4.27,"currency_code":"USD","in_stock":true},{"title":"50mm Straight (Hole: 50-55mm | Glass: 0-26mm) \/ Grey","offer_id":56468528890022,"sku":null,"price":4.98,"currency_code":"USD","in_stock":true},{"title":"50mm Straight (Hole: 50-55mm | Glass: 0-26mm) \/ Black","offer_id":56468528922790,"sku":null,"price":4.98,"currency_code":"USD","in_stock":true},{"title":"50mm Straight (Hole: 50-55mm | Glass: 0-26mm) \/ Blue","offer_id":56468528955558,"sku":null,"price":4.98,"currency_code":"USD","in_stock":true},{"title":"50mm Straight (Hole: 50-55mm | Glass: 0-26mm) \/ White","offer_id":56468528988326,"sku":null,"price":4.98,"currency_code":"USD","in_stock":true},{"title":"20mm Elbow (Hole: 20-23mm | Glass: 0-15mm) \/ Grey","offer_id":56468529021094,"sku":null,"price":2.15,"currency_code":"USD","in_stock":true},{"title":"20mm Elbow (Hole: 20-23mm | Glass: 0-15mm) \/ Black","offer_id":56468529053862,"sku":null,"price":2.15,"currency_code":"USD","in_stock":true},{"title":"20mm Elbow (Hole: 20-23mm | Glass: 0-15mm) \/ Blue","offer_id":56468529086630,"sku":null,"price":2.15,"currency_code":"USD","in_stock":true},{"title":"20mm Elbow (Hole: 20-23mm | Glass: 0-15mm) \/ White","offer_id":56468529119398,"sku":null,"price":2.15,"currency_code":"USD","in_stock":true},{"title":"25mm Elbow (Hole: 25-28mm | Glass: 0-18mm) \/ Grey","offer_id":56468529152166,"sku":null,"price":2.85,"currency_code":"USD","in_stock":true},{"title":"25mm Elbow (Hole: 25-28mm | Glass: 0-18mm) \/ Black","offer_id":56468529184934,"sku":null,"price":2.85,"currency_code":"USD","in_stock":true},{"title":"25mm Elbow (Hole: 25-28mm | Glass: 0-18mm) \/ Blue","offer_id":56468529217702,"sku":null,"price":2.85,"currency_code":"USD","in_stock":true},{"title":"25mm Elbow (Hole: 25-28mm | Glass: 0-18mm) \/ White","offer_id":56468529250470,"sku":null,"price":2.85,"currency_code":"USD","in_stock":true},{"title":"32mm Elbow (Hole: 32-35mm | Glass: 0-24mm) \/ Grey","offer_id":56468529283238,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true},{"title":"32mm Elbow (Hole: 32-35mm | Glass: 0-24mm) \/ Black","offer_id":56468529316006,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true},{"title":"32mm Elbow (Hole: 32-35mm | Glass: 0-24mm) \/ Blue","offer_id":56468529348774,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true},{"title":"32mm Elbow (Hole: 32-35mm | Glass: 0-24mm) \/ White","offer_id":56468529381542,"sku":null,"price":3.98,"currency_code":"USD","in_stock":true},{"title":"40mm Elbow (Hole: 40-43mm | Glass: 0-25mm) \/ Grey","offer_id":56468529414310,"sku":null,"price":4.89,"currency_code":"USD","in_stock":true},{"title":"40mm Elbow (Hole: 40-43mm | Glass: 0-25mm) \/ Black","offer_id":56468529447078,"sku":null,"price":4.89,"currency_code":"USD","in_stock":true},{"title":"40mm Elbow (Hole: 40-43mm | Glass: 0-25mm) \/ Blue","offer_id":56468529479846,"sku":null,"price":4.89,"currency_code":"USD","in_stock":true},{"title":"40mm Elbow (Hole: 40-43mm | Glass: 0-25mm) \/ White","offer_id":56468529512614,"sku":null,"price":4.89,"currency_code":"USD","in_stock":true},{"title":"50mm Elbow (Hole: 50-55mm | Glass: 0-26mm) \/ Grey","offer_id":56468529545382,"sku":null,"price":5.36,"currency_code":"USD","in_stock":true},{"title":"50mm Elbow (Hole: 50-55mm | Glass: 0-26mm) \/ Black","offer_id":56468529578150,"sku":null,"price":5.36,"currency_code":"USD","in_stock":true},{"title":"50mm Elbow (Hole: 50-55mm | Glass: 0-26mm) \/ Blue","offer_id":56468529610918,"sku":null,"price":5.36,"currency_code":"USD","in_stock":true},{"title":"50mm Elbow (Hole: 50-55mm | Glass: 0-26mm) \/ White","offer_id":56468529643686,"sku":null,"price":5.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Circular_Hole_Aquarium_Drain_Fitting_20-50mm_High_Flow_Flush_Mount_Bulkhead_Turtle_Tank_Seafood_Pool-005.jpg?v=1778767123"},{"product_id":"premium-upvc-extended-aquarium-bulkhead-fitting-20-50mm-fully-threaded-water-tank-connector-for-glass-acrylic","title":"Premium UPVC Extended Aquarium Bulkhead Fitting (20-50mm) | Fully Threaded Water Tank Connector for Glass \u0026 Acrylic","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #28a745; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for heavy-duty industrial tank connectors? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-upgraded-aquarium-bulkhead-fitting-thickened-pvc-inflow-outflow-tank-connector\" style=\"color: #28a745; text-decoration: underline;\"\u003eUPVC Composite Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium UPVC Extended Bulkhead Fitting for Aquariums\u003c\/h2\u003e\u003cp\u003eExclusively available at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e, this extended thread UPVC bulkhead is the perfect solution for your aquarium, sump, or custom water tank build. Designed with DIYers and aquatic hobbyists in mind, it provides a secure, leak-proof seal for glass and acrylic tanks without the hassle of cutting down threaded pipes.\u003c\/p\u003e\u003ch3\u003e🌟 Why Choose This Bulkhead?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Outer Thread Design:\u003c\/strong\u003e The extended, fully threaded body allows for a flush fit on both thick and thin glass walls. No need to saw off excess threads!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Leak Protection:\u003c\/strong\u003e Features a superior dual-sealing system combining a silicone O-ring with a standard flat gasket for guaranteed watertight performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Year Warranty Quality:\u003c\/strong\u003e Manufactured from premium, non-toxic UPVC material. Enjoy peace of mind with a 10-year lifespan guarantee (under normal, non-human damage conditions).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Size Selection \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo ensure a perfect installation, please refer to our Atradesen.com sizing and drilling guide below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm Size:\u003c\/strong\u003e Drill Hole 20-23mm | Clamps Glass 5-12mm thick | Fits 20mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm Size:\u003c\/strong\u003e Drill Hole 25-28mm | Clamps Glass 6-24mm thick | Fits 25mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm Size:\u003c\/strong\u003e Drill Hole 32-35mm | Clamps Glass 8-24mm thick | Fits 32mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm Size:\u003c\/strong\u003e Drill Hole 40-43mm | Clamps Glass 8-24mm thick | Fits 40mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Size:\u003c\/strong\u003e Drill Hole 50-53mm | Clamps Glass 0-24mm thick | Fits 50mm O.D. Pipe\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e💡 Pro Tip: If your tank wall is exceptionally thin, consider adding extra washers to increase clamping thickness.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Bright white \/ 20mm I.D. (Hole: 20-23mm | Glass: 5-12mm)","offer_id":56349960143014,"sku":"Fish_Tank_268","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Bright white \/ 25mm I.D. (Hole: 25-28mm | Glass: 6-24mm)","offer_id":56349960175782,"sku":"Fish_Tank_269","price":6.21,"currency_code":"USD","in_stock":true},{"title":"Bright white \/ 32mm I.D. (Hole: 32-35mm | Glass: 8-24mm)","offer_id":56349960208550,"sku":"Fish_Tank_270","price":6.65,"currency_code":"USD","in_stock":true},{"title":"Bright white \/ 40mm I.D. (Hole: 40-43mm | Glass: 8-24mm)","offer_id":56349960241318,"sku":"Fish_Tank_271","price":7.07,"currency_code":"USD","in_stock":true},{"title":"Bright white \/ 50mm I.D. (Hole: 50-53mm | Glass: 0-24mm)","offer_id":56349960274086,"sku":"Fish_Tank_272","price":9.68,"currency_code":"USD","in_stock":true},{"title":"Dark grey \/ 20mm I.D. (Hole: 20-23mm | Glass: 5-12mm)","offer_id":56349960306854,"sku":"Fish_Tank_273","price":5.76,"currency_code":"USD","in_stock":true},{"title":"Dark grey \/ 25mm I.D. (Hole: 25-28mm | Glass: 6-24mm)","offer_id":56349960339622,"sku":"Fish_Tank_274","price":6.21,"currency_code":"USD","in_stock":true},{"title":"Dark grey \/ 32mm I.D. (Hole: 32-35mm | Glass: 8-24mm)","offer_id":56349960372390,"sku":"Fish_Tank_275","price":6.65,"currency_code":"USD","in_stock":true},{"title":"Dark grey \/ 40mm I.D. (Hole: 40-43mm | Glass: 8-24mm)","offer_id":56349960405158,"sku":"Fish_Tank_276","price":7.07,"currency_code":"USD","in_stock":true},{"title":"Dark grey \/ 50mm I.D. (Hole: 50-53mm | Glass: 0-24mm)","offer_id":56349960437926,"sku":"Fish_Tank_277","price":9.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Thickened_PVC_Outlet_Drainage_Joint_Connector_for_Aquarium_Water_Tanks_003.jpg?v=1778739683"},{"product_id":"premium-pvc-aquarium-bottom-water-inlet-20-32mm-120-fan-shaped-flow-return-fitting-sump-fish-tank","title":"Premium PVC Aquarium Bottom Water Inlet (20-32mm) | 120° Fan-Shaped Flow Return Fitting | Sump \u0026 Fish Tank","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #e83e8c; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for standard straight drainage bulkheads? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-upgraded-aquarium-bulkhead-fitting-thickened-pvc-inflow-outflow-tank-connector\" style=\"color: #e83e8c; text-decoration: underline;\"\u003eStandard UPVC Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e for your filtration setup.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium PVC Bottom Water Inlet for Aquariums\u003c\/h2\u003e\u003cp\u003eOptimize your aquarium's water circulation with our innovative bottom water inlet fitting, available at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed to be installed at the bottom or lower side walls of your fish tank, this fitting is an essential component for custom sumps and advanced filtration systems.\u003c\/p\u003e\u003ch3\u003e🌊 Innovative 120° Fan-Shaped Flow\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Water Coverage:\u003c\/strong\u003e The unique 120-degree fan-shaped outlet distributes return water evenly across a wider area. This powerful flow design effectively prevents fish waste (detritus) from accumulating at the tank's bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Profile:\u003c\/strong\u003e The low-profile directional nozzle sits flush against the glass, maximizing the swimming space for your aquatic pets without bulky pipes protruding inwards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrinking Water Grade Material:\u003c\/strong\u003e Manufactured from 100% safe, non-toxic PVC. Connects seamlessly to your hard plumbing using standard PVC cement\/glue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Installation \u0026amp; Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTo ensure a safe and leak-proof setup, please read these Atradesen.com guidelines carefully before ordering:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 CHECK VALVE REQUIRED:\u003c\/strong\u003e If you install this inlet \u003cb\u003ebelow the water line\u003c\/b\u003e, you MUST install a plumbing check valve on your return line to prevent catastrophic water backflow\/siphoning during a power outage!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Glass Thickness:\u003c\/strong\u003e To maintain thread structural integrity, this fitting \u003cb\u003eCANNOT clamp glass thinner than 5mm\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Drill Hole: 20-23mm | Clamps Glass: 5-15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Drill Hole: 25-28mm | Clamps Glass: 5-18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Drill Hole: 32-35mm | Clamps Glass: 5-19mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"White \/ Inner Dia.20mm","offer_id":56349960503462,"sku":"Fish_Tank_278","price":2.74,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.25mm","offer_id":56349960536230,"sku":"Fish_Tank_279","price":3.61,"currency_code":"USD","in_stock":true},{"title":"White \/ Inner Dia.32mm","offer_id":56349960568998,"sku":"Fish_Tank_280","price":4.28,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Inner Dia.20mm","offer_id":56468060995750,"sku":null,"price":2.74,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Inner Dia.25mm","offer_id":56468061028518,"sku":null,"price":3.61,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Inner Dia.32mm","offer_id":56468061061286,"sku":null,"price":4.28,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.20mm","offer_id":56468061094054,"sku":null,"price":2.74,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.25mm","offer_id":56468061126822,"sku":null,"price":3.61,"currency_code":"USD","in_stock":true},{"title":"Black \/ Inner Dia.32mm","offer_id":56468061159590,"sku":null,"price":4.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_PVC_Aquarium_Bottom_Water_Inlet_20-32mm_120_Fan-Shaped_Flow_Return_Fitting_Sump_Fish_Tank-001.jpg?v=1778742859"},{"product_id":"extended-upvc-bulkhead-union-coupling-20-75mm-space-saving-tank-connector-for-0-25mm-glass-aquarium-sump","title":"Extended UPVC Bulkhead Union Coupling (20-75mm) | Space-Saving Tank Connector for 0-25mm Glass | Aquarium \u0026 Sump","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #fd7e14; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Have standard glass thickness? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/standard-upvc-aquarium-bulkhead-fitting-20-75mm-straight-tank-connector-with-silicone-gasket-100-watertight\" style=\"color: #fd7e14; text-decoration: underline;\"\u003eStandard Straight Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e to save costs.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eExtended UPVC Bulkhead Union Coupling (Space-Saving)\u003c\/h2\u003e\u003cp\u003eSolve your thick-glass plumbing challenges with the Extended UPVC Bulkhead Union Coupling from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Uniquely designed with an extended body, this fitting securely clamps onto tank walls up to 25mm thick. Its innovative \"same-hole\" space-saving design means the drill hole required is significantly smaller than traditional bulkheads, preserving the structural integrity of your glass or acrylic tanks.\u003c\/p\u003e\u003ch3\u003e🌟 Advanced Plumbing Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Clamping Range:\u003c\/strong\u003e Perfect for extra-thick aquariums, custom sumps, and commercial vats, easily accommodating wall thicknesses from 0mm to 25mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving \"Small Hole\" Design:\u003c\/strong\u003e The threaded central shaft is highly compact, allowing you to drill a hole equal to (or even slightly smaller than) the pipe's outer diameter!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Silicone Seals:\u003c\/strong\u003e Equipped with premium silicone gaskets on both sides for maximum elasticity, providing an impenetrable, long-lasting watertight barrier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Drilling Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure precision for your project. Please review the Atradesen.com exact drilling specifications carefully before purchasing:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D.:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Thread O.D: 20mm | \u003cb\u003eDrill Hole: 20mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D.:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Thread O.D: 25mm | \u003cb\u003eDrill Hole: 25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D.:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Thread O.D: 32mm | \u003cb\u003eDrill Hole: 32mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm I.D.:\u003c\/strong\u003e Fits 40mm O.D. Pipe | Thread O.D: 40mm | \u003cb\u003eDrill Hole: 40mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D.:\u003c\/strong\u003e Fits 50mm O.D. Pipe | Thread O.D: 46mm | \u003cb\u003eDrill Hole: 50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm I.D.:\u003c\/strong\u003e Fits 63mm O.D. Pipe | Thread O.D: 58mm | \u003cb\u003eDrill Hole: 60mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75mm I.D.:\u003c\/strong\u003e Fits 75mm O.D. Pipe | Thread O.D: 73mm | \u003cb\u003eDrill Hole: 75mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eUpgrade to leak-proof, professional-grade fittings at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e today.\u003c\/em\u003e\u003c\/p\u003e","brand":"Atradesen","offers":[{"title":"Inner Dia.20mm","offer_id":56349960634534,"sku":"Fish_Tank_281","price":4.05,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.25mm","offer_id":56349960667302,"sku":"Fish_Tank_282","price":6.79,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.32mm","offer_id":56349960700070,"sku":"Fish_Tank_283","price":7.92,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.40mm","offer_id":56349960732838,"sku":"Fish_Tank_284","price":10.74,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.50mm","offer_id":56349960765606,"sku":"Fish_Tank_285","price":15.94,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.63mm","offer_id":56414343463078,"sku":null,"price":28.24,"currency_code":"USD","in_stock":true},{"title":"Inner Dia.75mm","offer_id":56414343495846,"sku":null,"price":36.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Extended_UPVC_Bulkhead_Union_Coupling_20-75mm_Space-Saving_Tank_Connector_for_0-25mm_Glass_Aquarium_Sump-002.jpg?v=1778742148"},{"product_id":"upvc-tank-connector-bulkhead-female-thread-x-socket-slip-water-tower-aquarium-valve-adapter","title":"UPVC Tank Connector Bulkhead | Female Thread x Socket Slip | Water Tower \u0026 Aquarium Valve Adapter","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Prefer standard glue joints on both sides? View our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/upvc-composite-tank-connector-dn15-dn100-socket-x-socket-bulkhead-fitting-aquarium-water-tank-drain\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eSocket x Socket Bulkheads\u003c\/a\u003e\u003c\/strong\u003e, or need double threads? Try our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/upvc-bulkhead-tank-connector-double-female-thread-fpt-x-fpt-fish-tank-pool-plumbing\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eDouble Female Thread\u003c\/a\u003e\u003c\/strong\u003e version.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHybrid UPVC Tank Connector (Female Thread x Socket)\u003c\/h2\u003e\u003cp\u003eExperience the ultimate flexibility in plumbing with our hybrid bulkhead fittings at \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a smooth socket on one end and a female threaded (FPT) port on the other, this connector allows you to glue a hard PVC pipe on the outside while easily screwing in equipment, nozzles, or shut-off valves on the inside.\u003c\/p\u003e\u003ch3\u003e⚙️ Smart Design for Easy Maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Valve Connection:\u003c\/strong\u003e The female threaded side eliminates the need for extra adapters—just screw your threaded valves or filters right in!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickened Chemical Grade:\u003c\/strong\u003e Made from high-quality UPVC, suitable for aggressive environments, fertilizers, and saltwater marine tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Installation:\u003c\/strong\u003e Engineered with precision threads and premium sealing washers to prevent leaks in water tanks and pools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Size Selection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAvoid sizing mistakes by reviewing our Atradesen.com size mapping:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSocket (mm):\u003c\/strong\u003e Connects to PVC pipes via glue. E.g., a 25mm socket fits a pipe with a 25mm Outer Diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread (Inch FPT):\u003c\/strong\u003e International standard female pipe thread. E.g., \"3\/4 inch\" connects to male threaded equipment of the same size.\u003c\/li\u003e\n\u003cli\u003eSelect the exact combination you need from the dropdown menu.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm Socket x 1\/2\" FPT Thread (DN15)","offer_id":56467949191334,"sku":null,"price":4.86,"currency_code":"USD","in_stock":true},{"title":"25mm Socket x 3\/4\" FPT Thread (DN20)","offer_id":56467949224102,"sku":null,"price":5.36,"currency_code":"USD","in_stock":true},{"title":"32mm Socket x 1\" FPT Thread (DN25)","offer_id":56467949256870,"sku":null,"price":7.86,"currency_code":"USD","in_stock":true},{"title":"40mm Socket x 1-1\/4\" FPT Thread (DN32)","offer_id":56467949289638,"sku":null,"price":12.36,"currency_code":"USD","in_stock":true},{"title":"50mm Socket x 1-1\/2\" FPT Thread (DN40)","offer_id":56467949322406,"sku":null,"price":15.02,"currency_code":"USD","in_stock":true},{"title":"63mm Socket x 2\" FPT Thread (DN50)","offer_id":56467949355174,"sku":null,"price":17.36,"currency_code":"USD","in_stock":true},{"title":"75mm Socket x 2-1\/2\" FPT Thread (DN65)","offer_id":56467949387942,"sku":null,"price":35.23,"currency_code":"USD","in_stock":true},{"title":"90mm Socket x 3\" FPT Thread (DN80)","offer_id":56467949420710,"sku":null,"price":44.23,"currency_code":"USD","in_stock":true},{"title":"110mm Socket x 4\" FPT Thread (DN100)","offer_id":56467949453478,"sku":null,"price":76.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Composite_Tank_Connector_-_Dual_Slip_Socket_Bulkhead_Fitting_DN15-DN100_-010.jpg?v=1778735614"},{"product_id":"upvc-bulkhead-tank-connector-double-female-thread-fpt-x-fpt-fish-tank-pool-plumbing","title":"UPVC Bulkhead Tank Connector | Double Female Thread (FPT x FPT) | Fish Tank \u0026 Pool Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6f42c1; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking to glue your pipes directly? Discover our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/upvc-composite-tank-connector-dn15-dn100-socket-x-socket-bulkhead-fitting-aquarium-water-tank-drain\" style=\"color: #6f42c1; text-decoration: underline;\"\u003eSocket x Socket\u003c\/a\u003e\u003c\/strong\u003e or \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/upvc-tank-connector-bulkhead-female-thread-x-socket-slip-water-tower-aquarium-valve-adapter\" style=\"color: #6f42c1; text-decoration: underline;\"\u003eFemale Thread x Socket\u003c\/a\u003e\u003c\/strong\u003e bulkhead options.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eFully Threaded UPVC Tank Connector (Double FPT)\u003c\/h2\u003e\u003cp\u003eMaximize your system's modularity with the Double Female Thread bulkhead connector from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. With FPT (Female Pipe Thread) on both sides, you can easily screw on pipes, fittings, or valves without messy glue. It's the perfect choice for setups that require frequent disassembly, cleaning, or upgrades.\u003c\/p\u003e\u003ch3\u003e🔧 Built for Convenience \u0026amp; Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Removable Connections:\u003c\/strong\u003e Connect male threaded adapters on both sides. Easily unscrew your equipment anytime without cutting pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty UPVC Construction:\u003c\/strong\u003e Thickened walls provide exceptional strength and resistance to chemicals, perfect for industrial tanks and large-scale aquariums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatertight Reliability:\u003c\/strong\u003e Includes thick sealing gaskets designed to compress securely against glass, acrylic, or plastic tank walls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Size Selection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure you get the right fit for your project by following the Atradesen.com guide:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Sizing (FPT):\u003c\/strong\u003e Sizes are listed in standard imperial inches (e.g., 1\/2\", 1\", 2\"). This refers to the pipe thread size, not the physical measurement with a ruler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e A 1\" FPT bulkhead will accept any 1\" Male Threaded (MPT) PVC or brass fitting.\u003c\/li\u003e\n\u003cli\u003ePlease choose your required thread size from the dropdown menu before adding to cart.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"1\/2\" Double FPT (DN15)","offer_id":56467960987814,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"3\/4\" Double FPT (DN20)","offer_id":56467961020582,"sku":null,"price":5.42,"currency_code":"USD","in_stock":true},{"title":"1\" Double FPT (DN25)","offer_id":56467961053350,"sku":null,"price":7.69,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\" Double FPT (DN32)","offer_id":56467961086118,"sku":null,"price":12.85,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" Double FPT (DN40)","offer_id":56467961118886,"sku":null,"price":15.23,"currency_code":"USD","in_stock":true},{"title":"2\" Double FPT (DN50)","offer_id":56467961151654,"sku":null,"price":17.23,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" Double FPT (DN65)","offer_id":56467961184422,"sku":null,"price":34.63,"currency_code":"USD","in_stock":true},{"title":"3\" Double FPT (DN80)","offer_id":56467961217190,"sku":null,"price":40.85,"currency_code":"USD","in_stock":true},{"title":"4\" Double FPT (DN100)","offer_id":56467961249958,"sku":null,"price":76.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Composite_Tank_Connector_-_Dual_Slip_Socket_Bulkhead_Fitting_DN15-DN100_-002.jpg?v=1778735614"},{"product_id":"extended-pvc-90-elbow-bulkhead-fitting-custom-cut-for-0-40mm-aquarium-glass-overflow-return-tank-connector","title":"Extended PVC 90° Elbow Bulkhead Fitting | Custom Cut for 0-40mm Aquarium Glass | Overflow \u0026 Return Tank Connector","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #8e44ad; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for a straight flow design for thick glass? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-upvc-bulkhead-union-coupling-20-75mm-space-saving-tank-connector-for-0-25mm-glass-aquarium-sump\" style=\"color: #8e44ad; text-decoration: underline;\"\u003eExtended Dual-Sided Straight Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eExtended 90° Elbow Aquarium Bulkhead Fitting\u003c\/h2\u003e\u003cp\u003eOptimize your custom aquarium build with the Extended Elbow Bulkhead from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Specifically engineered for extra-thick glass, acrylic, or plywood tanks, this heavy-duty fitting features an elongated threaded shaft and a space-saving 90-degree elbow. It's the perfect watertight solution for tight overflow boxes and discrete return lines.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Plumbing Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Single Elbow:\u003c\/strong\u003e The 90-degree bend directs water immediately parallel to the tank wall, making it ideal for tight aquarium cabinets or compact overflow setups where straight pipes would protrude too far.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Sided Pipe Connection:\u003c\/strong\u003e Features smooth inner sockets on both sides, allowing you to seamlessly glue metric hard PVC pipes both inside and outside the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Clamping Capacity:\u003c\/strong\u003e The extra-long threaded body securely clamps onto thick panels up to 40mm thick with absolute leak-proof reliability!\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Custom Cut \u0026amp; Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis product requires precise modification based on your exact tank specs. Please read the Atradesen.com guidelines carefully before checking out:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 LEAVE AN ORDER NOTE:\u003c\/strong\u003e You MUST leave a note at checkout specifying your exact glass\/panel thickness. Our factory will custom-cut the threaded shaft to perfectly fit your setup before shipping!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 40mm Thickness?\u003c\/strong\u003e If your tank wall exceeds 40mm in thickness, additional custom pricing will apply. Please contact our Atradesen support team before placing your order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Selection:\u003c\/strong\u003e The size you select in the dropdown menu refers to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the fitting, which perfectly matches the \u003cb\u003eOuter Diameter (O.D.)\u003c\/b\u003e of your PVC pipe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D","offer_id":56475868692646,"sku":null,"price":5.89,"currency_code":"USD","in_stock":true},{"title":"25mm I.D","offer_id":56475868725414,"sku":null,"price":6.85,"currency_code":"USD","in_stock":true},{"title":"32mm I.D","offer_id":56475868758182,"sku":null,"price":8.36,"currency_code":"USD","in_stock":true},{"title":"40mm I.D","offer_id":56475868790950,"sku":null,"price":10.23,"currency_code":"USD","in_stock":true},{"title":"50mm I.D","offer_id":56475868823718,"sku":null,"price":12.75,"currency_code":"USD","in_stock":true},{"title":"63mm I.D","offer_id":56475868856486,"sku":null,"price":20.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Extended_PVC_90_Elbow_Bulkhead_Fitting_Custom_Cut_for_0-40mm_Aquarium_Glass_Overflow_Return_Tank_Connector-002.jpg?v=1779025222"},{"product_id":"extended-pvc-double-90-elbow-bulkhead-fitting-custom-cut-for-0-40mm-aquarium-glass-dual-sided-tank-connector","title":"Extended PVC Double 90° Elbow Bulkhead Fitting | Custom Cut for 0-40mm Aquarium Glass | Dual-Sided Tank Connector","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6f42c1; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Only need a space-saving elbow on one side of the tank? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-pvc-90-elbow-bulkhead-fitting-custom-cut-for-0-40mm-aquarium-glass-overflow-return-tank-connector\" style=\"color: #6f42c1; text-decoration: underline;\"\u003eExtended Single-Elbow Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eSpace-Saving Double 90° Elbow Aquarium Bulkhead\u003c\/h2\u003e\u003cp\u003eMaster your tightest plumbing challenges with the Extended Double Elbow Bulkhead exclusively from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Engineered for extreme space-saving, this heavy-duty fitting features a 90-degree bend on BOTH the inside and outside of the tank. It is the ultimate watertight solution for thick custom tanks, cramped cabinet sumps, and intricate overflow box setups.\u003c\/p\u003e\u003ch3\u003e🌟 Premium Space-Saving Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Elbow Profile:\u003c\/strong\u003e Directs water immediately parallel to the tank wall on both sides (internal and external). Perfect for ultra-tight spaces where routing straight pipes is physically impossible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Sided Pipe Sockets:\u003c\/strong\u003e Features smooth inner sockets on both elbows, allowing you to seamlessly glue metric hard PVC pipes for a continuous, leak-proof circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Clamping Capacity:\u003c\/strong\u003e The extra-long threaded body securely clamps onto thick glass, acrylic, or plywood panels up to 40mm thick with absolute reliability!\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Custom Cut \u0026amp; Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis product requires precise modification based on your exact tank specs. Please read the Atradesen.com guidelines carefully before checking out:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 LEAVE AN ORDER NOTE:\u003c\/strong\u003e You MUST leave a note at checkout specifying your exact glass\/panel thickness. Our factory will custom-cut the threaded shaft to perfectly fit your setup before shipping!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 40mm Thickness?\u003c\/strong\u003e If your tank wall exceeds 40mm in thickness, additional custom pricing will apply. Please contact our Atradesen support team before placing your order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Selection:\u003c\/strong\u003e The size you select refers to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the fitting sockets, which perfectly matches the \u003cb\u003eOuter Diameter (O.D.)\u003c\/b\u003e of your PVC pipes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D","offer_id":56475888746662,"sku":null,"price":7.65,"currency_code":"USD","in_stock":true},{"title":"25mm I.D","offer_id":56475888779430,"sku":null,"price":8.23,"currency_code":"USD","in_stock":true},{"title":"32mm I.D","offer_id":56475888812198,"sku":null,"price":10.36,"currency_code":"USD","in_stock":true},{"title":"40mm I.D","offer_id":56475888844966,"sku":null,"price":12.45,"currency_code":"USD","in_stock":true},{"title":"50mm I.D","offer_id":56475888877734,"sku":null,"price":16.87,"currency_code":"USD","in_stock":true},{"title":"63mm I.D","offer_id":56475888910502,"sku":null,"price":23.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Extended_PVC_Double_90_Elbow_Bulkhead_Fitting_Custom_Cut_for_0-40mm_Aquarium_Glass_Dual-Sided_Tank_Connector-001.jpg?v=1779027119"},{"product_id":"upvc-double-internal-thread-tank-bulkhead-12-1-fpt-x-fpt-water-tank-adapter-aquarium-rain-barrel-connector","title":"UPVC Double Internal Thread Tank Bulkhead (12 - 1)  FPT x FPT Water Tank Adapter  Aquarium \u0026 Rain Barrel Connector","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/UPVC_Double_Internal_Thread_Tank_Bulkhead_12_-_1_FPT_x_FPT_Water_Tank_Adapter_Aquarium_Rain_Barrel_Connector-015.png?v=1779057395\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #20c997; margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for external threaded fittings or reverse thread locks? Check out our \u003cstrong\u003e\u003ca style=\"color: #20c997; text-decoration: underline;\" href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-abs-waterproof-tank-bulkhead-1-2-2-reverse-thread-lock-nut-connector-rain-barrel-aquarium-fitting\"\u003eABS Reverse Thread Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePremium UPVC Double Internal Thread Tank Adapter\u003c\/h2\u003e\n\u003cp\u003eUpgrade your water management systems with our highly versatile Double Internal Thread Tank Bulkheads from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed with equal-diameter female pipe threads (FPT) on both sides, this compact connector allows you to easily attach valves, pipes, or nozzles to both the inside and outside of your tank simultaneously.\u003c\/p\u003e\n\u003ch3\u003e🌟 Smart Dual-Threaded Plumbing Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble FPT Design:\u003c\/strong\u003e Standard female threads on both ends eliminate the need for extra glued adapters. Simply screw in your male-threaded equipment directly for a quick, secure fit!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Space-Saving:\u003c\/strong\u003e The low-profile structure saves valuable space inside your aquarium, rain barrel, or commercial water tower while ensuring a robust, leak-proof seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty UPVC Material:\u003c\/strong\u003e Manufactured from premium, chemical-resistant UPVC. 100% safe for drinking water, hydroponics setups, and marine aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e⚠️ Thread Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlease match your equipment threads with the Atradesen.com specifications below. (Sizes are standard Imperial Pipe Threads):\u003c\/p\u003e\n\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" FPT (≈20mm I.D.):\u003c\/strong\u003e Accepts any standard 1\/2\" Male Threaded (MPT) fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" FPT (≈25mm I.D.):\u003c\/strong\u003e Accepts any standard 3\/4\" Male Threaded (MPT) fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" FPT (≈32mm I.D.):\u003c\/strong\u003e Accepts any standard 1\" Male Threaded (MPT) fitting.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e💡 Pro Tip: Always wrap your male threaded fittings with Teflon\/PTFE tape before screwing them into this bulkhead to guarantee a 100% watertight joint.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"White \/ 1\/2\" Double Internal Thread","offer_id":56475897462950,"sku":null,"price":2.53,"currency_code":"USD","in_stock":true},{"title":"White \/ 3\/4\" Double Internal Thread","offer_id":56475897495718,"sku":null,"price":3.26,"currency_code":"USD","in_stock":true},{"title":"White \/ 1\" Double Internal Thread","offer_id":56475897528486,"sku":null,"price":4.68,"currency_code":"USD","in_stock":true},{"title":"White \/ 1.2\" Double Internal Thread","offer_id":56475897561254,"sku":null,"price":7.12,"currency_code":"USD","in_stock":true},{"title":"White \/ 1.5\" Double Internal Thread","offer_id":56475897594022,"sku":null,"price":8.36,"currency_code":"USD","in_stock":true},{"title":"White \/ 2\" Double Internal Thread","offer_id":56475899003046,"sku":null,"price":11.03,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1\/2\" Double Internal Thread","offer_id":56475897626790,"sku":null,"price":2.53,"currency_code":"USD","in_stock":true},{"title":"Black \/ 3\/4\" Double Internal Thread","offer_id":56475897659558,"sku":null,"price":3.26,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1\" Double Internal Thread","offer_id":56475897692326,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1.2\" Double Internal Thread","offer_id":56475897725094,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ 1.5\" Double Internal Thread","offer_id":56475897757862,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ 2\" Double Internal Thread","offer_id":56475899035814,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/UPVC_Double_Internal_Thread_Tank_Bulkhead_12_-_1_FPT_x_FPT_Water_Tank_Adapter_Aquarium_Rain_Barrel_Connector-001.jpg?v=1779027601"},{"product_id":"premium-upvc-extended-elbow-bulkhead-20-32mm-double-seal-leak-protection-aquarium-overflow-drain-connector","title":"Premium UPVC Extended Elbow Bulkhead (20-32mm)  Double Seal Leak Protection  Aquarium Overflow \u0026 Drain Connector","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Extended_Elbow_Bulkhead_20-32mm_Double_Seal_Leak_Protection_Aquarium_Overflow_Drain_Connector-005.png?v=1779058291\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6c757d; margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Extremely tight space inside and outside the tank? Check out our \u003cstrong\u003e\u003ca style=\"color: #6c757d; text-decoration: underline;\" href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/extended-pvc-double-90-elbow-bulkhead-fitting-custom-cut-for-0-40mm-aquarium-glass-dual-sided-tank-connector\"\u003eDouble 90° Elbow Bulkhead Fittings\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePremium UPVC Extended Elbow Bulkhead Fitting\u003c\/h2\u003e\n\u003cp\u003eUpgrade your aquarium's safety and water flow with the Premium Deep Grey UPVC Elbow Bulkhead from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Perfect for custom overflows and discrete return lines, this heavy-duty tank connector features an advanced double-seal mechanism to guarantee a 100% leak-proof plumbing setup.\u003c\/p\u003e\n\u003ch3\u003e🌟 Ultimate Leak Protection \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Double Seal Design:\u003c\/strong\u003e Combines a specialized silicone O-ring with a standard flat gasket. This dual-barrier system provides superior watertight performance over standard single-gasket fittings, giving you ultimate peace of mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving 90° Elbow:\u003c\/strong\u003e Directs plumbing lines neatly along the tank wall immediately upon exiting the glass, making it ideal for tight aquarium cabinets and compact sump layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty UPVC Material:\u003c\/strong\u003e Manufactured from premium deep grey UPVC. Connects easily to standard metric hard pipes using PVC cement or a snug push-fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; DIY Modification Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlease review the precise Atradesen.com clamping and drilling specifications below to ensure a perfect installation:\u003c\/p\u003e\n\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm I.D. Model:\u003c\/strong\u003e Fits 20mm O.D. Pipe | Drill Hole: 20-23mm | Clamps Glass: \u003cb\u003e8-17mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm I.D. Model:\u003c\/strong\u003e Fits 25mm O.D. Pipe | Drill Hole: 25-28mm | Clamps Glass: \u003cb\u003e5-25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm I.D. Model:\u003c\/strong\u003e Fits 32mm O.D. Pipe | Drill Hole: 32-35mm | Clamps Glass: \u003cb\u003e5-25mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 Thin Glass Modification:\u003c\/strong\u003e If your tank glass is thinner than the minimum clamping thickness listed above (e.g., thinner than 8mm for the 20mm size), the threaded pipe will be too long to tighten. \u003cb\u003eYou MUST manually cut\/saw the male thread shorter\u003c\/b\u003e to achieve a tight, leak-proof seal!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D","offer_id":56476501803174,"sku":null,"price":5.96,"currency_code":"USD","in_stock":true},{"title":"32mm I.D","offer_id":56476501835942,"sku":null,"price":6.32,"currency_code":"USD","in_stock":true},{"title":"40mm I.D","offer_id":56476501868710,"sku":null,"price":6.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_UPVC_Extended_Elbow_Bulkhead_20-32mm_Double_Seal_Leak_Protection_Aquarium_Overflow_Drain_Connector-001.jpg?v=1779057619"},{"product_id":"adjustable-pvc-fish-pond-skimmer-drain-50-110mm-rotating-mesh-surface-filter-koi-pond-aquaculture-plumbing","title":"Adjustable PVC Fish Pond Skimmer Drain (50-110mm) | Rotating Mesh Surface Filter | Koi Pond \u0026 Aquaculture Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #28a745; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Building a complete pond filtration system? Secure your plumbing with our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/metric-upvc-water-supply\/products\/heavy-duty_grey_pvc_rigid_pipe_90mm-315mm_high_pressure_mainline_tube_for_industrial\" style=\"color: #28a745; text-decoration: underline;\"\u003eHeavy-Duty Mainline PVC Pipes\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eAdjustable Fish Pond Skimmer \u0026amp; Drain with Mesh\u003c\/h2\u003e\u003cp\u003eProtect your expensive pond pumps and filtration systems with our innovative Adjustable PVC Skimmer Drain from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Specifically engineered for Koi ponds, aquaculture pools, and large water features, this surface skimmer effortlessly traps floating leaves, leftover fish food, and large debris before they can clog your main filter.\u003c\/p\u003e\u003ch3\u003e🌟 Innovative Adjustable \u0026amp; Removable Mesh\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotatable Gap Adjustment:\u003c\/strong\u003e The inner slotted mesh can be rotated! Easily twist it to adjust the gap size to perfectly match the type of debris you need to catch while maintaining optimal water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Lock Removable Core:\u003c\/strong\u003e The central mesh strainer features a secure internal snap lock. It is incredibly easy to pull out for quick cleaning, yet locks firmly in place so it won't float away or get lost in the pond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Maintenance:\u003c\/strong\u003e By acting as a robust pre-filter, it significantly extends the time between major filter cleanings, keeping your pond water crystal clear with less effort.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Installation Guide\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a perfect fit for your pond plumbing. Please match your pipe size with the Atradesen.com specifications below:\u003c\/p\u003e\u003cul style=\"background-color: #e2e3e5; padding: 15px 15px 15px 35px; border-radius: 5px; color: #383d41;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Connects to your PVC plumbing via a standard push-fit (slip) or permanent PVC cement\/glue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm I.D. Model:\u003c\/strong\u003e The inner socket fits a \u003cb\u003e50mm O.D. Pipe\u003c\/b\u003e. (The fitting's outer diameter is 63mm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75mm I.D. Model:\u003c\/strong\u003e The inner socket fits a \u003cb\u003e75mm O.D. Pipe\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110mm I.D. Model:\u003c\/strong\u003e The inner socket fits a \u003cb\u003e110mm O.D. Pipe\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Gray \/ 50mm I.D. (Fits 50mm O.D. Pipe)","offer_id":56476506357926,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 75mm I.D. (Fits 75mm O.D. Pipe)","offer_id":56476506390694,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"Gray \/ 110mm I.D. (Fits 110mm O.D. Pipe)","offer_id":56476506423462,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 50mm I.D. (Fits 50mm O.D. Pipe)","offer_id":56476506456230,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 75mm I.D. (Fits 75mm O.D. Pipe)","offer_id":56476506488998,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 110mm I.D. (Fits 110mm O.D. Pipe)","offer_id":56476506521766,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Adjustable_PVC_Fish_Pond_Skimmer_Drain_50-110mm_Rotating_Mesh_Surface_Filter_Koi_Pond_Aquaculture_Plumbing-002.jpg?v=1779058506"},{"product_id":"premium-3-way-aquarium-power-drain-bulkhead-flush-mount-tee-connector-for-soft-hose-20mm-pipe-zero-dead-water","title":"Premium 3-Way Aquarium Power Drain Bulkhead  Flush Mount Tee Connector for Soft Hose \u0026 20mm Pipe  Zero Dead Water","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #e83e8c; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Only need a standard single-outlet drain? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/slotted-pvc-aquarium-drain-bulkhead-20-50mm-anti-clog-strainer-tank-connector-dual-silicone-gasket\" style=\"color: #e83e8c; text-decoration: underline;\"\u003eMini Flush Mount Bottom Drains\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003e3-Way Aquarium Power Drain Bulkhead\u003c\/h2\u003e\u003cp\u003eRevolutionize your tank's water circulation and drainage with the innovative 3-Way Power Drain from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Uniquely designed with a flush-mount flat head and a T-shaped dual outlet, this heavy-duty bulkhead is perfect for splitting drain lines, connecting multiple tanks in series, or driving powerful sump filtration systems.\u003c\/p\u003e\u003ch3\u003e🌟 Advanced Flush Mount \u0026amp; Hybrid Plumbing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Water Pooling:\u003c\/strong\u003e The ultra-flat interior profile makes direct flush contact with the bottom glass. Relying on a premium bottom O-ring seal, it ensures 100% thorough drainage without leaving any stagnant water or debris behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Output (3-Way Design):\u003c\/strong\u003e The T-shaped bottom allows water to flow out in two directions simultaneously, making it incredibly versatile for complex plumbing layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Hose \u0026amp; Pipe Connection:\u003c\/strong\u003e The versatile barbed ends offer ultimate DIY freedom! They can be directly inserted into standard \u003cb\u003e20mm O.D. rigid PVC pipes\u003c\/b\u003e, OR they can securely grip flexible soft tubing with a \u003cb\u003e~20mm Inner Diameter\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Installation Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a flawless, leak-proof setup. Please verify your tank measurements with our Atradesen.com specifications before purchasing:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Drill Hole:\u003c\/strong\u003e 25mm - 28mm in diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Glass Thickness:\u003c\/strong\u003e The extended threaded shaft securely clamps glass or acrylic panels up to \u003cb\u003e20mm\u003c\/b\u003e thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size:\u003c\/strong\u003e Fits soft tubing (~20mm I.D.) or rigid PVC pipe (20mm O.D.) on both outlet ends.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Black","offer_id":56476513730726,"sku":null,"price":3.56,"currency_code":"USD","in_stock":false},{"title":"Blue","offer_id":56476513763494,"sku":null,"price":3.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_3-Way_Aquarium_Power_Drain_Bulkhead_Flush_Mount_Tee_Connector_for_Soft_Hose_20mm_Pipe_Zero_Dead_Water-001.jpg?v=1779058958"},{"product_id":"machined-flat-base-upvc-male-thread-connector-20-50mm-single-sided-external-thread-adapter-custom-flush-fit","title":"Machined Flat Base UPVC Male Thread Connector (20-50mm) | Single-Sided External Thread Adapter | Custom Flush Fit","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6c757d; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for complete bulkhead fittings with sealing gaskets for your tank walls? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/premium-abs-waterproof-tank-bulkhead-1-2-2-reverse-thread-lock-nut-connector-rain-barrel-aquarium-fitting\" style=\"color: #6c757d; text-decoration: underline;\"\u003eStandard UPVC Tank Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eCustom Machined Flat Base Male Thread Connector\u003c\/h2\u003e\u003cp\u003eAchieve the ultimate flush connection with our Specialized Machined Flat Base Connectors from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Unlike standard factory-molded fittings that often have slight seams or unevenness on the base, the bottom of this specific connector has been custom-milled perfectly flat. It is the ideal choice for DIYers who need the fitting to sit absolutely flush against a surface or fit into precision-cut recessed areas.\u003c\/p\u003e\u003ch3\u003e🌟 Specialized DIY \u0026amp; Modification Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Milled Flat Base:\u003c\/strong\u003e The bottom hex flange undergoes a secondary machining process to remove all molding seams, ensuring 100% flush contact with flat surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Sided Male Thread:\u003c\/strong\u003e Features robust external threads for screwing directly into female threaded valves, bulkheads, or custom equipment ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Inner Socket:\u003c\/strong\u003e The interior features a smooth slip socket, allowing you to easily and permanently glue standard metric PVC hard pipes using PVC cement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Appearance Notes (Please Read!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBecause this is a modified \"Machined Version\", please review the Atradesen.com details below before ordering:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 Visual Milling Marks:\u003c\/strong\u003e Due to the custom machining process, \u003cb\u003eyou will see raw cutting\/milling marks on the flat bottom\u003c\/b\u003e (as shown in the product photos). This is completely normal and is the proof of its custom-flat modification!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Matching:\u003c\/strong\u003e The size you select (e.g., 25mm) refers to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the socket, which perfectly sleeves over a PVC pipe with a 25mm \u003cb\u003eOuter Diameter (O.D.)\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Tip:\u003c\/strong\u003e Always use Teflon\/PTFE thread tape on the external threads when screwing into a female port to ensure a watertight seal.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (Machined Base)","offer_id":56476516122790,"sku":null,"price":0.75,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (Machined Base)","offer_id":56476516155558,"sku":null,"price":1.56,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (Machined Base)","offer_id":56476516188326,"sku":null,"price":2.31,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (Machined Base)","offer_id":56476516221094,"sku":null,"price":2.98,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (Machined Base)","offer_id":56476516253862,"sku":null,"price":3.65,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (Machined Base)","offer_id":56476516286630,"sku":null,"price":4.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Machined_Flat_Base_UPVC_Male_Thread_Connector_20-50mm_Single-Sided_External_Thread_Adapter_Custom_Flush_Fit-004.jpg?v=1779059263"},{"product_id":"premium-upvc-raised-cap-aquarium-drain-20-25mm-360-intake-bottom-bulkhead-valve-kit-anti-clog-plumbing","title":"Premium UPVC Raised Cap Aquarium Drain (20\/25mm) | 360° Intake Bottom Bulkhead \u0026 Valve Kit | Anti-Clog Plumbing","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #17a2b8; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Looking for a completely flat flush-mount design? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/slotted-pvc-aquarium-drain-bulkhead-20-50mm-anti-clog-strainer-tank-connector-dual-silicone-gasket\" style=\"color: #17a2b8; text-decoration: underline;\"\u003eZero-Residue Flush Mount Bulkheads\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium UPVC Raised Cap Aquarium Drain \u0026amp; Kits\u003c\/h2\u003e\u003cp\u003eUpgrade your tank's waste management with our innovative Raised Cap Drain Fittings from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Featuring a unique elevated umbrella cover, this fitting offers a 360-degree omnidirectional intake that effortlessly captures detritus and heavy fish waste from all angles while preventing blockages.\u003c\/p\u003e\u003ch3\u003e🌟 Advanced Omnidirectional Intake\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° Open Flow Design:\u003c\/strong\u003e The raised cap allows water and debris to flow in freely from every direction, significantly reducing the risk of clogging compared to traditional flat strainers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium O-Ring Sealing:\u003c\/strong\u003e Secured with a high-quality bottom O-ring to ensure a watertight, leak-proof seal against the bottom glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; DIY Friendly:\u003c\/strong\u003e Available as standalone Straight\/Elbow bulkheads or complete Valve Kits to fit any sump or tight cabinet space perfectly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e📦 DIY Kit \u0026amp; Assembly Disclaimer (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIf you select the \"Drain Kit with Valve\" option from the dropdown menu, please read the following Atradesen.com guidelines carefully:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Unassembled:\u003c\/strong\u003e All complete kits are shipped as loose, individual components (Bulkhead, Valve, and Pipes) so you can custom-cut the lengths on-site with a saw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlue Required:\u003c\/strong\u003e For secure, high-pressure setups, \u003cb\u003ePVC cement\/waterproof glue MUST be used\u003c\/b\u003e on all pipe slip joints (PVC glue is NOT included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Matching:\u003c\/strong\u003e The 20mm\/25mm sizes refer to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the fitting, which requires a PVC pipe with a matching \u003cb\u003eOuter Diameter (O.D.)\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm Straight Fitting","offer_id":56476600369318,"sku":null,"price":2.65,"currency_code":"USD","in_stock":true},{"title":"25mm Straight Fitting","offer_id":56476600402086,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"32mm Straight Fitting","offer_id":56476600434854,"sku":null,"price":5.84,"currency_code":"USD","in_stock":true},{"title":"20mm 90° Elbow Fitting","offer_id":56476600467622,"sku":null,"price":2.65,"currency_code":"USD","in_stock":true},{"title":"25mm 90° Elbow Fitting","offer_id":56476600500390,"sku":null,"price":3.48,"currency_code":"USD","in_stock":true},{"title":"32mm 90° Elbow Fitting","offer_id":56476600533158,"sku":null,"price":5.84,"currency_code":"USD","in_stock":true},{"title":"20mm Straight Kit w\/ Valve \u0026 Pipes","offer_id":56476600565926,"sku":null,"price":5.86,"currency_code":"USD","in_stock":true},{"title":"25mm Straight Kit w\/ Valve \u0026 Pipes","offer_id":56476600598694,"sku":null,"price":7.98,"currency_code":"USD","in_stock":true},{"title":"20mm Elbow Kit w\/ Valve \u0026 Pipes","offer_id":56476600631462,"sku":null,"price":5.86,"currency_code":"USD","in_stock":true},{"title":"25mm Elbow Kit w\/ Valve \u0026 Pipes","offer_id":56476600664230,"sku":null,"price":7.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Machined_Flat_Base_UPVC_Male_Thread_Connector_20-50mm_Single-Sided_External_Thread_Adapter_Custom_Flush_Fit-009.jpg?v=1779064719"}],"url":"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints.oembed?page=3","provider":"Atradesen","version":"1.0","type":"link"}