... , 50, 70, 1002) Pattern: a) No framework b) Frameworkc) Special type for separation of oil and water3) Length: 10", 20", 30 ... - 250mm.Features:1) High filter precision and high efficiency, the cartridge hole diameter is compact and well-distributed, filter efficiency is ... field and chemical, medicine, electroplating, printing, beer, and drinking. PP Cartridge filter