You are purchasing a set of high quality Compatible Air Stones suitable for use with all biorb and biube aquariums.

PLEASE NOTE: These are not original brand air stones. They are a Finest-Filters compatible product intended to do the same purpose.

Please select the number of Air Stones required from the drop down menu above. (5, 10, 15, 20, 25, 30, 40 or 50 air stones).

Regular replacement of the air stone in your biorb aquarium is recommended, so that the air flow powering the filter is not reduced.