10 PCS Aquarium Air Pump Check Valves Plastic One Way Check Valve -White Packing includes: 1*Gloves

Packing includes: 1*Gloves

Provide you more dexterity with the moderate thickness

exfoliating

Put the ornament in an unobstructed place in your aquariumCreate a natural and living environment for fish

10 PCS Aquarium Air Pump Check Valves Plastic One Way Check Valve -White Packing includes: 1*GlovesSize: 2. 1?0. 6inchColor: WhiteFeatures: The one way check valves are for common aquarium air pumps. Please DO NOT use them with CO2 system. Protect you air pump by preventing aquarium water from back siphoning during a power outage. Made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage. The valves are detachable, you can unscrew to open it so as to clean and repair them easily. 10 pieces air pump check valves,