PP pleated cartridge filter , nominal and absolute grade . the micron rate ... .2um,0.45um,1.0um,5um,10um,30um,50um PP pleated cartridge filter , nominal and absolute grade . the micron rate ... 0.45um,1.0um,5um,10um,30um,50um The cartridge OD can be 56mm,68mm,70mm, 100mm and ... food &beverage , pharmaceutical , chemicals . for the prefiltration use. PP pleated cartridge filter /depth filter /water filter