Aqua One Double Duckbill Return Outlet (53421-DB)

Aqua One Double Duckbill Return Outlet (53421‑DB)

Enhance water circulation and oxygenation in your aquarium with the Aqua One Double Duckbill Return Outlet (part 53421‑DB). Designed for use in freshwater or marine tanks, this high-quality outlet fitting is ideal for Aqua One sump systems and compatible filters.

Key Features

• Twin Duckbill Design – Two fan-shaped outlets disperse flow in multiple directions to eliminate dead spots.
• Adjustable via Ball Joint – Flexible 16-point joint system allows precise direction and intensity of water flow.
• 1/2″ Threaded Fitting – Compatible with standard Aqua One return lines and other 1/2" threaded systems.
• Improves Circulation & Oxygenation – Promotes surface agitation and better gas exchange for a healthier tank.
• Quick & Easy Installation – Screw-in design for fast setup with no tools required.