Aircore Sand Airstones 1" (4 pack)

Innovative airstones for proper aquarium aeration and bubble productionPressed sand construction allows even distribution of air through airstonesNotched design increases bubble-producing surface area for aquarium aerationEnsure proper aquarium aeration with Aircore Sand Airstones. Made with pressed sand, Aircore Sand Airstones allow even distribution of air throughout the entire airstone for dynamic bubble production. Crenellated (notched) design increases bubble producing surface area for the production of more aquarium-aerating bubbles.Please click on "More Information" for directions for use.