Aquatop BREZA Airstone 6 inch Flat, Linkable

AQUATOP 6" Flat Airstone, Linkable - Boosts Oxygen Levels & Supports Aquatic Life   Easy 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 dioxide build-up Fits standard airline tubing For use in all aquariums Linkable to more airstones