1" Ball 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...

1" Cylinder 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...

4-pack, 1" Cylinder Air StonesEasy to use Air Stones. 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 & oxygenation Helps...

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 & oxygenation Helps release carbon...

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...