Three kinds of material for selection; Polypropylene, PES (Polyethersulfone) and PTFE material, suitable for DI water and chemical process filtration applications Suitable to generation 6 and 7 TFT-LCD glass cleaning, and high end process filtration applications High flow rate, low pressure drop, absolute micron rating performance, longer life usage Use thermal bonding to minimise extractables, no surfactant Manufactured in a clean room environment (class 10,000)