... industry and sterile tank respirator, air fermentation tank. Specifications Filter medium hydrophobicity PTFE membrane Length5, 10, 20, 30 ... area ≥0.6 m2 /10" PES pleated filter cartridgeThe PES cartridge uses imported polyethersulfone membrane as ... food, electronic industry and terminal filtration.Specifications Filter medium hydrophily PES membrane Support layer & filter cagePPLength5, 10, 20, 30, 40 ...