Aqua One Airstone Ball 2″
Aqua One airstones are long lasting and provide excellent aeration in cold water, tropical or marine set ups. You can position them anywhere in your aquarium and even bury them in the substrate or under an ornament. A stream of fresh, silvery bubbles enhances any set up.
Safe in any aquarium
Use with the air pump of your choice
Replace once the air flow decreases and the air stone blocks