Item Type: Check Valve Material: Plastic and Rubber Model: CDPV6 Interface Diameter: Approx. 7 ~ 10mm / 0.28 ~ 0.39in Overall Length: Approx. 43mm / 1.69in Opening Pressure: 2kpa Maximum Back Pressure: 200kpa1Medical Grade Material: The check valve is made of medical grade material, safe and nontoxic, with strong resistance to acid, alkali and salt corrosion. 2Fine Craftsmanship: The check valve is finely crafted and has high adsorption properties, thermal stability, chemical stability, high mechanical strength, etc. 3Easy to Carry: This check valve is small and light, easy to carry and store, easy to use, excellent performance and long life. 4Functional Description: This 3/8inch check valve is used in fluid systems to prevent the backflow of fluids or in pneumatic systems to prevent the backflow of compressed air, the check valve can be used in a temperature range of -20 to 70. 5Wide Application: The check valve can be used in water treatment, air purification, automotive parts, mechanical industry, household appliances, etc. to effectively prevent backflow of media. 6 xCheck Valve