2Pcs 8mm 5/16" Fuel Line One Way Non Return Check Valve Petrol Diesel Oil Water

For Use With Petrol, Diesel, Bio / Vegetable oil, Kerosene oil, etc. 2Pcs One way check valve. Size: 8mm (5/16"). Fuel line check valve is suitable for carburetors and low pressure fuel systems. Fits for Carburettor and low pressure fuel systems.