6/8/10/12mm Vehicle Fuel Non Return Check Valve Accessories Car One Way Valve Fit For Carburettor and Low Pressure Fuel Systems Specifications: Service life of Aluminum head is longer than plastic head. There is an arrow marked on the valve to show fluid flow direction to prevent the fuel from returning back to the tank and keep it in the line. In this way, it can perfectly solve the problem that your vehicle is hard or slow to start because the fuel is running back through the lines. Professional grade non-return valve is ideal for marine, automotive, caravans/RV, and agriculture. Item Name:One-Way Check Valve Material: Aluminum Alloy Working Pressure Range: 0.2-6 Bar Operating Temperature Range: -30 Degrees Celsius-130 Degrees Celsius Features: Easy Installation, Stable Characteristics, High Reliability, Car Accessories Size: 6cm x 2.2cm x 2cm/2.36" x 0.87" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 xOne-Way Check Valve _x000D_