Oct 29, 2021 · palstic 0.22 um ptfe syringe filter for venting-Voa Vial PTFE Syringe Filter, Sterile, Individual Packed, Four Options: 0.22 uM or 0.45 uM Pore, 13 mm or 25 mm Diameter. $180/pack of 100 or $120/pack of 96 0.22 or 0.45 micron PTFE syringe filter, 13mm or 25 mm, single packed. Free ground shipping on orders $200 and up.