Iso9001 0.2um ptfe filter Whatman-PTFE Membrane Filter. Iso9001 0.2um ptfe filter Whatman Whatman™ Mini-UniPrep® G2 Syringeless Filters, Glass Filter, 0.2um pore size) $746.52 100/PK Add To Favorites 15-GN203NPEAQUSP MUP G2 0.2uM PVDF 100/PK + HC $756.74 100/PK Add To Favorites 15-GN203NPENYLSP MUP G2 0.2uM NYL 100/PK + HC $756.74 100/PK Add