vacuum oil purifier 1.quicly remove impurities,water,gas,lighthydrcarbon,acid and break emulsion etc. 2.make oil clean and new DYJ Multi-function Lubrication Oil purification equipment-- renew all kinds of llubricating oils, e.g.: gear oil, hydraulic oil freezer oil, compressor oil, vacuum pump oil, internal-combustion oil, heat treatment oil etc.... -- quickly remove impurities, water, gas, ...