{"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) \/ 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