... performance 4.Experiencing 100% integrity test 5.On-time delivery 0.22 micron filters Product Introduction (PTFE Cartridge)The filtration media of ... medium: hydrophobicity PTFE membraneSupport layer: PPFilter cage: PPPore size: 0.1,0.2,0.45,1 μmLength: 5",10",20",30",40"Sealing ... air, nitrogen, carbon dioxideSterile tank respirator, air fermentation tank PTFE 0.22 micron filters