Certified 0.22 um ptfe filter distributor-Voa Vial Supplier 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 Chat Now Syringe Filters, Polyethersulfone (PES), Sterile, 0.22(μm