... US, EUROPEAN MARKET . Filter installed in the hydraulic system pressure pipeline, used to remove or prevent mechanical impurities and hydraulic chemical ... calibration is absolute filtration accuracy, like β3, β5, β10, β20 ≥ 200, ≥ 99.5% filtration efficiency η.Working medium: hydraulic oil, phosphate ester ... : GU BH-H160X10P GU-H series of self-sealing pressure pipeline filter