*Snail will be vertical with bubbles going upward. Features: Air stone in snail design. Includes: Snail Air Stone Instructions: 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 prevent back-siphoning in case of power loss.
Top Fin Snail Air Stone - B07D5PJLBB