Nov 16, 2021 · VWR 0.2 um ptfe filter for medicine-Voa Vial Supplier. Whatman® membrane filters PTFE pore size 0.2 μm, diam. 47 mm; Synonyms: syringe filter,Whatman filter,Z746312,Whatman filters; find -WHA7582004 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. date: 2021-11-16.