we take hydraulic oil as sample,if only simple remove impurities and filtering,this two type of oil filter machine is good choice,if high viscosity in the oil,this high viscosity Oil filtering machine with heating device is a better choice. Except removing impurities from the oil,but high water content in the oil this coalescence dehydration oil purified is the best choice.
so now do you know how to choose a better oil filter machine for you?