... 10, 15, 20, 30, 50, 70, 100 Specifications:1) Filter precision (µm): 1, 3, 5, 10, 15, 20, ... efficiency, the cartridge hole diameter is compact and well-distributed, filter efficiency is higher than 99%2) High ... -alkali, stable chemical performance4) High mechanical strength, well impact and pressure resistance....Application:1) It can ... electroplating, printing, beer, and drinking. PP Cartridge filter