Certified ptfe membrane filter 0.22 um price-Voa Vial . Certified ptfe membrane filter 0.22 um price Membrane Filters, PTFE, .22um, 2um PTFE Membrane Filters, 0.22 um, 25mm, Nonsterile, with PP substrate (Meets the requirements of USP Plastics Class VI) 200 per pack, SF17375 Regular Price: $140.30 Price $126.88 . Iso9001 ptfe 0.2 micron filter