{"product_id":"premium-360-adjustable-aquarium-duckbill-nozzle-i-d-20-o-d-25mm-single-double-return-anti-siphon-venturi-option","title":"Premium 360° Adjustable Aquarium Duckbill Nozzle (I.D 20 \/ O.D 25mm) | Single \u0026 Double Return | Anti-Siphon \/ Venturi Option","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #6f42c1; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need a dedicated anti-siphon setup for the highest point of your return line? Check out our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/aquarium-diy\/products\/anti-siphon-elbow-connector-20-32mm-free-1m-airline-hose-aquarium-return-vacuum-break-power-outage-protection?_pos=1\u0026amp;_sid=a3c8280d5\u0026amp;_ss=r\" style=\"color: #6f42c1; text-decoration: underline;\"\u003eDedicated Anti-Siphon Elbow Connectors\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium 360° Adjustable Duckbill Return Nozzle\u003c\/h2\u003e\u003cp\u003ePerfect your aquarium's water flow dynamics with our Universal Adjustable Duckbill Nozzles from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Designed as the industry-standard return fitting, this highly versatile nozzle allows you to precisely direct water currents, eliminate dead spots, and significantly reduce splashing noises in any freshwater or marine setup.\u003c\/p\u003e\u003ch3\u003e🌟 Advanced Flow Control \u0026amp; Smart Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° Rotation \u0026amp; ±30° Tilt:\u003c\/strong\u003e The built-in ball joint allows for complete freedom in directing your water flow exactly where your corals or aquascape need it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle vs. Double Head Options:\u003c\/strong\u003e Choose the Single head for direct flow, or upgrade to the Double head (T-shape) to split your return pump's output into two independently adjustable streams!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e💡 The \"Air Hole\" Magic (Transparent Model Only):\u003c\/strong\u003e The special model with an air port serves two incredible functions! \u003cb\u003e1. Anti-Siphon Break:\u003c\/b\u003e If placed slightly above the water line, it sucks in air when the pump stops, instantly preventing catastrophic back-siphoning. \u003cb\u003e2. Venturi Aeration:\u003c\/b\u003e When fully submerged, the rapid water flow creates a vacuum that sucks in air through the hole, blasting highly oxygenated micro-bubbles into your tank!\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Dual-Connection Sizing Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis clever nozzle features a \"Dual Connection\" design, making it the most compatible fitting on the market. Please read the Atradesen.com fitment rules 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\u003eMethod 1 (Use the Inner Diameter - I.D. 20mm):\u003c\/strong\u003e The nozzle's base is designed to sleeve \u003cb\u003eOVER\u003c\/b\u003e a rigid PVC pipe with a \u003cb\u003e20mm Outer Diameter (O.D.)\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod 2 (Use the Outer Diameter - O.D. 25mm):\u003c\/strong\u003e The nozzle's base is designed to plug \u003cb\u003eINTO\u003c\/b\u003e a PVC fitting (like a 25mm elbow or tee) that has a \u003cb\u003e25mm Inner Diameter (I.D.)\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Note:\u003c\/strong\u003e All colored nozzles (Black, White, Blue) are made of durable PVC. All Transparent nozzles are made of high-clarity Acrylic.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"Black - Single Head","offer_id":56349960962214,"sku":"Outlet_Jiont_006","price":1.63,"currency_code":"USD","in_stock":true},{"title":"White - Single Head","offer_id":56349960994982,"sku":"Outlet_Jiont_007","price":1.63,"currency_code":"USD","in_stock":true},{"title":"Blue - Single Head","offer_id":56545715224742,"sku":null,"price":1.63,"currency_code":"USD","in_stock":true},{"title":"Transparent - Single Head","offer_id":56545715257510,"sku":null,"price":2.63,"currency_code":"USD","in_stock":true},{"title":"Transparent - Single Head With Air Hole","offer_id":56545715290278,"sku":null,"price":3.63,"currency_code":"USD","in_stock":true},{"title":"Black - Double Head","offer_id":56545715323046,"sku":null,"price":4.63,"currency_code":"USD","in_stock":true},{"title":"Blue - Double Head","offer_id":56545715355814,"sku":null,"price":4.63,"currency_code":"USD","in_stock":true},{"title":"Transparent - Double Head","offer_id":56545715388582,"sku":null,"price":6.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_360_Adjustable_Aquarium_Duckbill_Nozzle_I.D_20_O.D_25mm_Single_Double_Return_Anti-Siphon_Venturi_Option-001.png?v=1780039954","url":"https:\/\/atradesen.com\/products\/premium-360-adjustable-aquarium-duckbill-nozzle-i-d-20-o-d-25mm-single-double-return-anti-siphon-venturi-option","provider":"Atradesen","version":"1.0","type":"link"}