2Pcs Check Valve 3Celsius8in 10mm Plastic 1 Way Water Non Return for Compressor Aquarium Pump Fuel Gas Liquid

MATERIAL: Check valve uses grade material, safe and non toxic, acid, alkali, salt corrosion resistance STRONG AND STABLE: Non return check valve has high adsorption performance, thermal stability, chemical stability, high mechanical strength COMPACT AND PORTABLE: One way water check valve has small size, easy to carry and store, convenient to use, with good performance Item Type: Check Valve Interface Diameter: Approx. 7 . 10mm Celsius 0.28 . 0.39in Total Length: Approx. 43mm Celsius 1.69in Opening Pressure: less than 2kpa Maximum Back Pressure: 200kpa