Whatman® GD/X syringe filters PVDF membrane, pore size 0.2 μm, diam. 25 mm, sterile, pk of 50 ea; Synonyms: syringe filter,syringe filters,Whatman filter,Z286958; find -WHA69002502 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich