Aluminum One Way Fuel Non-Return Check Valve 6MM/8MM/10MM/12MM Diesel Petrol Oil
For Use With Petrol, Diesel, Bio / Vegetable oil, Paraffin / Kerosene oil, etc. Size: 6mm (1/4″”), 8mm (5/16″”), 10mm (3/8″”), 12mm (1/2″”). In this way, this product can perfectly solve the problem that your vehicle is hard or slow to start because the fuel is running back through the lines.