Aqua One 4" (10cm) Cylindrical Airstone - 10139

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.

◾ Long lasting and robust
◾ Safe in any aquarium
◾ Use with the air pump of your choice
◾ Replace once the air flow decreases and the air stone blocks