Gas PTFE 0.22 micron 10 inch Filter Cartridge for Chemicals Filtration Company Information Hangzhou Anow Microfiltration Co., Ltd. is a well-known filtration company in Asia who focus on research and development of MCE, Nylon, PES, PVDF, PTFE membrane, with pore size ranging from 0.03 μm to 10 μm, as well as design and production of various