1.Water filter cartridge 2.PTFE membrane 3.Attractive price 4.Excellent performance 5.Experiencing 100%integrity test 10inch 0.22micron PTFE Water Cartridge Filter Product Introduction (PTFE Cartridge)The PTFE cartridge uses pleated PTFE fibre membrane as filtration media.The PTFE cartridge is and advanced fixed intensive filter and available in a wide range of retention ratings from 0.1um to ...