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

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

【Material】 Made of aluminum alloy, rustproof, lightweight, and durable.

【Sizes】 6mm, 8mm, 10mm, 12mm. Different sizes for various applications.

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

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