6 Pack One Way Check Valves, 1/2" (12mm) Hose Barb Non Return Ozone Resistance Plastic Valve Pump for Fuel Oil Water Air Gas

Product details 【Size】Diameter: 1/2"barb, can fit 1/2" hose ID; Total length: 43mm/1.69 inch. 【Quality】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber. 【Function】These 1/2 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air. 【Application】Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields. 【Service】If you have any questions about our products, please feel free to contact us. We will definitely give you a satisfactory solution. Happy shopping! 【Size】Diameter: 1/2"barb, can fit 1/2" hose ID; Total length: 43mm/1.69 inch. 【Quality】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber. 【Function】These 1/2 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.