Sterile Syringe Filters, PVDF, 0.2um, WITH Sterile Plastic Biomed Scientific Syringe Filters PVDF (Polyvinylidene Fluoride) 25 mm Diameter 0.22 um Pore Size Non Sterile Pack of 10 pcs 55 $8.99 $ 8 . 99 ($0.90/Item) 10 Pack Syringe Filter Sterile PES Hydrophilic Filtration 0.22um Pore Size, 33mm Membrane Diameter Sterile PES Membrane