Dec 02, 2021 · Teffil 0.22 um syringe filter online-Analytical Testing Vials Sterile PES Syringe Filter, Single Packed, 0.22 uM or 0.45 uM Pore Sizes, 13 Diameter Disc, 100/Pack. 13MM Sterile PES syringe filter, $70/pack of 100, 0.22 and 0.45 micron, single packed. Made with polyethersulfone (PES).