Nov 22, 2021 · Hot selling ptfe membrane filter 0.22 um Acrodisc Low Cost PTFE Membrane Filters - Samples Available - Ships 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