Unbranded One Way Check Valves Stainless Steel Non Return Check Valves Aquarium Air Pump Check Valves For Aquarium Fish Tank(4pcs) -z

One Way Check Valves Stainless Steel Non Return Check Valves Aquarium Air Pump Check Valves for Aquarium Fish TankMaterialOne way check valves made of high-quality stainless steel will not necessarily rust when exposed to water and have a long service life. It is a great gift for friends who love fish farming.Apply toOur one way check valves are suitable for carbon dioxide supply systems such as fish tanks and aquariums.FeaturesThis one way check valves can protect the power head from backflow caused by power outages.the main function is to prevent the aquarium from flowing back due to restoration.Color: silverSize: about 39mm longQuantity delivered: 4 piecesWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.