Anti-Backflow Design: The check valve effectively prevents fuel from flowing back during pump operation, ensuring unidirectional flow and proper pump system function Material: Made of brass, it features corrosion resistance and high pressure tolerance, suitable for various harsh working environments Filtration Function: The built-in filter effectively removes impurities from the fuel, protecting the pump and dispenser mechanisms and extending service life Sealing: The combination of the brass valve ensures leakage, making it suitable for oil pump systems that require high sealing performance Wide Application Range: The brass check valve is suitable for use with oil pumps, diesel, and water, Manufacturer: SUPERTOOL