Nov 01, 2021 · China 0.2 Micron PTFE Filter Cartridges for Sterile Venting Filter Cartridge, Filter Membrane, Filter manufacturer / supplier in China, offering 0.2 Micron PTFE Filter Cartridges for Sterile Venting, Micro Polypropylene PP Membrane Filter Element for Water Filtration, PVDF Blotting Membrane with Microporous Filter and so on.