Use for : Fish Tank , Aquarium
Color : Red , Clear;Material : Plastic;
Package : 10xOne Way Check Valve
Great one way check valve for aquarium and fish tank.
Protect you air pump by preventing aquarium water from back siphoning during a power outage.
Easy to connect hose.
Timiy 5mm Aquarium Tank Air Line Pump One Way Check Valve Plastic 10 Pcs Red Clear - B07B7CZN1B