GF Filter, Mbr Membrane, Nylon Membrane manufacturer / supplier in China, offering 0.1um /0.45 Um/0.22 Um Roll & Disc Hydrophobic PVDF Filter Membrane for Air Filtration, Nylon/Pes/PVDF/PTFE Pleated Filter Cartridges Compatible with Millipore′ S Water System, Membrane Filter Buffer 0.2um 0.45 Micron Pes Filter Cartridge for Blood Serum and Biologicals and so on.