Leading Supplier of PTFE Syringe Filter,Welcome to Inquiry 30 mm, pore size 0.2 μm, PTFE membrane - Sigma-Aldrich Whatman® ReZist® syringe filter 30 mm, pore size 0.2 μm, PTFE membrane, sterile, pkg of 50 ea; Synonyms: Z698733; find -WHA10463500 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich