JBJ Sintered Airstone 

Only from AquariumFishSale, JBJ offers  extra wide (for extra bubbles) airstones in two sizes to enhance conditions for any size aquarium.  JBJ porous sintered air stones create small air bubbles for even distribution and good airflow within the fish tank. Air is essential for plant and fish health. These are the highest grade airstones on the market.  JBJ Airstones connect with any air pump and standard airline tubing.

Size:  Small 3 inches, Medium 4 inches, Large 6 inches