Set of 4 Non-Return Valves 6/8/10/12mm, Aluminum Alloy Fuel Valve with Arrow for Petrol Diesel Car Boat Motorcycle

【Function】 Prevents fuel from flowing back into the tank and keeps it in the line.

【Material】 Made of aluminum alloy, rust-proof, lightweight and durable.

【Dimensions】 6 mm, 8 mm, 10 mm, 12 mm. Different sizes for various occasions.

【Compatibility】 Compatible with gasoline, diesel, vegetable/bio oil, kerosene/kerosene, etc.

【Application】 Suitable for carburetors and low-pressure fuel systems. Cars, boats, helicopters, motorcycles, etc.