LIFEASSURE™ EPF SERIES FILTER CARTRIDGE IS A HYDROPHILIC MEMBRANE FILTER USING POLYETHERSULFONE MEMBRANE. DUE TO ITS WIDE RANGE OF CHEMICAL RESISTANCE, IT CAN BE USED FOR VARIOUS LIQUID CHEMICALS. IN ADDITION, SINCE INTEGRITY TESTING IS CARRIED OUT BEFORE SHIPMENT AND FLUSHING IS CARRIED OUT WITH 18 M? ULTRAPURE WATER, IT IS ALSO SUITABLE FOR PURE WATER / ULTRAPURE WATER.