Medical Millex-GV Syringe Filter Unit, 0.22 µm, PVDF, 33 mm, gamma sterilized A 33 mm diameter sterile syringe filter with a 0.22 µm pore size hydrophilic PVDF membrane. Comes in a pack of 50.; find Millipore-SLGVM33RS MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich