Aquatop 38201875: Airstone Aria Sand 2In

The Aquatop Breza Sand Airstones Are Uniquely Shaped And Boast An Incredibly Porous Surface, Which Allows For Consistent Even Air Distribution. This Even Air Flow Creates A Beautifully Consistent Column Of Bubbles. Aquatop Breza Sand Airstones Provide The Oxygen Your Aquarium Fish And Plants Need For A Healthy Life. Made From Pressed Sand, The Breza Airstones Allow For Uniquely Even Air Distribution In The Tank, With A Notched Shape To Increase Bubble-Producing Surface Area For Maximum Aeration.