Nov 25, 2020 · The Syringe Filters produced by Aijiren are of high quality, packaged and sold at reasonable prices. They are suitable for most major membrane materials, including nylon, PTFE, PES, MCE, PVDF, CA, PP and GF. They are available in 13mm, 17mm, 25mm and 30mm formats, and use a pure polypropylene shell. Polyethersulfone (PES): Hydrophilic, stable