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Multipurpose return outlet system for fresh or saltwater aquariumsAdjustable flare nozzle directs aquarium water flow to desired areaSimple and inexpensive way to improve aquarium water circulationMultipurpose return outlet system offers an inexpensive and practical way to redirect water flow. Adjustable ball-joint articulation with flare nozzle directs water current to areas previously with little or no water movement. Barbed fitting attaches easily to the return line of canister filters or powerheads. Use with the SCWD wavemaker for a custom wave-making system. Durable plastic construction great for fresh or saltwater applications.Please click on "More Information" for plumbing tips and the benefits of water movement.

An excellent aeration device for use in under gravel filters corner filters or just decoration

Product Details
Disposable discard-a-stone air diffusers with reusable inserts for attaching airline.
Coarse

6 Plastic Air Diffusers

Allows you to conveniently direct your pump's flow between two accessories: waterfalls, fountains, filters. Quick-twist shut-off makes switching flow easy. For internal use only. MPT connection.

Allows you to conveniently direct your pump's flow between two accessories: waterfalls, fountains, filters. Quick-twist shut-off makes switching flow easy. For internal use only. MPT connection.

Bulkheads are threaded both inside and outside, on both ends. Please specify Black or Clear.SizeHole Dia.1/2"1-1/8"3/4"1-1/2"1"1-3/4"

Bulkheads are threaded both inside and outside, on both ends. Please specify Black or Clear.SizeHole Dia.1/2"1-1/8"3/4"1-1/2"1"1-3/4"

Bulkheads are threaded both inside and outside, on both ends. Please specify Black or Clear.SizeHole Dia.1/2"1-1/8"3/4"1-1/2"1"1-3/4"

In principle this handy tool functions like a conventional vacuum cleaner: The powerful pump sucks the dirty water from the bottom via the suction jet into the integrated filter element. Here the dirt particles are reliably caught and removed from the water.

Use to start/restart the siphon for any canister filter; draws air out and water in. For all hose sizes.