Help maintain uniform water temperature while promoting gas exchange with the Grreat Choice Mini Air Stones. Only at PetSmart.
Features: Promotes gas exchange
Caution: Contains small parts. Keep out of reach of children.
Connect the air stone to the airline tubing and the airline tubing to the air pump (tubing and pump sold separately). Place the air stone in the desired location in the aquarium and weight it down or cover it with gravel. A plastic check valve is recommended to help prevent back siphoning in case of power loss.