3/8" Inline Backflow Preventer- Air Check Valve- Easy to Install- Plastic High Adsorption Properties for Fuel Gas Liquid Diesel Air

Features: 1. High quality material, safe and nontoxic 2. Strong resistance to acid, alkali, salt corrosion ability 3. Under 120? environment is normal performance, and has good formability. 4. High adsorption properties, thermal stability, chemical stability, has high mechanical strength, etc. 5. Easy to install, no assembly required. Specifications: Material: Plastic, silicone valve core Diameter: 9.5-10mm Total length: 58mm Opening Pressure: 0.01MPA A back Pressure: 0.7MPA Package included:1 x Valve Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.