GL series three-stage oil purifier is mainly used in the filtration of all types of oil. It is suitable to filter mechanical impurity and other powder granules. It is portable, stable, widely used, has high filtration precision and a long life expectancy. This three stage oil purifier is designed to filter transformer oil, hydraulic oil, turbine oil, lubricant oil and is widely used in the fields of electricity, railway, metallurgy, steel rolling, aviation, industrial and mining etc.