Vent filter/air filter/ gas filter 0.05micron 0.1micron PTFE membrane 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