Air Stone - Black - 10PCS breeder box an internal filter is often

an internal filter is often the more practical choice

Cut your airline tubing and insert the valve in line between your air pump and your air stone or sponge filter

Also available as a Speaker Outlet for aquascapers who prefer a more directional

or any other bio media you prefer

Dimensions: 7cm x 2

Air Stone - Black - 10PCS breeder box an internal filter is oftenDescription: Air stones are one of the simplest and most effective ways to increase dissolved oxygen in an aquarium or pond. Connected to an air pump via standard airline tubing, they break the air flow into a stream of fine bubbles that rise through the water column, dramatically increasing the surface area of air in contact with the water and boosting oxygen exchange. The result is better oxygenation for your fish, more stable conditions for your