This product is designed based on the centrifugal vacuum principle and is a device that can remove solid contaminants from oil. It can be used for filtering and purifying various industrial circulating oils such as screw and nut forming machine oil, heading machine oil, thread rolling machine oil, precision grinding cutting fluid oil, hot filter furnace oil, EDM machine oil, punching machine oil, and various starting oils such as quenching liquid and quenching oil.