Anti-wear hydraulic oil filter the best choice is to use TYAlubricants vacuum oil filter, which can remove impurities in addition to water,but also deacidification degassing. After filtering the high level of oil. Oilcan be used repeatedly. If the use of hydraulic oil is not demanding, just wantto simply filter the impurities, and then pumping oil. I use the company''s JLseries portable filter tanker.