Features:The main function of the check valve is to stop the fuel from returning back to the tank and keep it in the line.Aluminum alloy check valve and 304 stainless steel hose clamp have good rust & corrosion resistance.Barb on the fitting and hose clamps ensures a good sealing and tight connection on a flexible hose.Widely used on oil petrol fuel or water lines in the pipeline system.Specifications:Color: Silver ToneMaterial: Aluminum Alloy, 304 Stainless SteelOverall Size: 22x60mm / 0.87x2.36 Inch (Dia*L)Barb Inner Diameter: 6.5 / 0.26 InchBarb Outer Diameter: 13mm / 0.51 InchBarb Length: 18mm / 0.71 InchHose Clamp Size: 9mm to 12mm / 0.35inch to 0.47inchPackage Included:1 x Barbed Check Valve2 x Hose Clamps.