It is used to remove the impurities in the air. The parts abrasion is enhanced when the plunger-type machine works in the air with impurities, so air filter is inevitable. Air filter consists of a filter element and a shell. It features high filtering efficiency, low flow resistance, long & continuous service and no maintenance. We can produce according to your requirement with the monthly output of 100,000 pieces. With our high quality and reasonable price, OEM is ok. You are welcomed to consult and purchase!