Imported three-layer coated filter material is used to effectively intercept water molecules and tiny particles in the oil. The filter efficiency is 1 micron and 99.9%. The filter material has high filtration accuracy, large dirt holding capacity and long service life.Escort your internal combustion engine.Inferior fuel filter: The fuel filter can remove the iron oxide, dust and other solid impurities contained in the fuel, and prevent the fuel system from clogging (especially the fuel injector).If you use a low-quality fuel filter, the impurities in the fuel cannot be effectively filtered, which will cause the oil circuit to be blocked, and your car will not start due to insufficient fuel pressure.