Plastic check valves protect air pumps from aquarium water back-siphoning damage during power failures.  To use, cut airline tubing between air pump and first outlet. Attach airline to each end of valve.Valve measures 2 inches long.

Eheim bubbling diffuser and Eheim has a unique modern design that looks great in a an aquarium.  Extremely quiet air diffuser. EHEIM diffuser replacement for 100, 200 and 400 model air pumps and can be used on any air pump. BENEFITS: Single...

Carefully hand cut against the grain, Lee's Wooden Air Diffusers produce super fine bubbles which are released from all-natural lime wooden micro pores. This increases the efficiency of air-driven protein skimmers, or foam fractionators. These diffusers...

Carefully hand cut against the grain, Lee's Wooden Air Diffusers produce super fine bubbles which are released from all-natural lime wooden micro pores. This increases the efficiency of air-driven protein skimmers, or foam fractionators. These diffusers...

4" Gray Air StoneEasy to use Air Stone. Simply attach to air pump using airline tubing and place in your desired location within your aquarium. May be buried under gravel. Features:Increases surface agitation & oxygenationHelps release carbon dioxide...

Eliminate The Risk Of Water Siphoning Backwards Through Your Aquarium Airline! Cheap Insurance For Freshwater & Marine Aquariums Eliminates the chance of water siphoning backwards and damaging your pump or causing an electrical short High...

Airline connectors/adapters are manufactured of high-quality, non-corrosive material.  Use for connecting standard sized airline together or standard to mini airline.