Simply attach to an air pump with standard airline tubing to increase
oxygenation and water surface agitation in your tanks. This air stone can be
placed under gravel.
Measures 11 x 1.5 x 0.5 inches.
This product also comes in a 6in air stone.
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Visit Manufacturer's website: www.aquatop.com
Airstone 10-inch for Aquarium Aeration