This Check Valve provides protection during a power or pump failure. It prevents water siphoning from the aquarium which may damage carpet, furniture and air pump or drain aquarium, killing fish or other inhabitants.

• Check valve provides protection during a power failure
• Helps to protect furniture, carpeting and precious live stock
• If pump failure, the check valve is intended to slow down the sudden reversal of air flow, helping to prevent a siphon action from starting
• Available in 1-blister card

Package Description: 1-Blister Card

Serving Size: ..

Number of Servings: ..

Ingredients: Has No Metal Parts To Rust High Quality Plastic.

Available in 1-blister card.

Size: 3/16"

Look for the words AIR IN and AIR OUT on the check valve. Install valve in the airline between the pump and the top of the aquarium (outside the aquarium). Lee's check valve needs to be replaced every 12 months.