Appleton PES Syringe Filter, 0.22um - Appleton Woods Limited
Millipak® 0,22-μm-Filter 0.22 μm membrane filter for particulate and bacteria-free water at the point of dispense for the Milli-Q® IQ, IX and EQ 7 series water purification systems. | Sigma-Aldrich
Corning® 500 mL Bottle Top Vacuum Filter, 0.22 µm Pore 33.2cm² PES Membrane, Fits 45 mm Diameter Necks, Sterile, 12/Case from Corning Life Sciences | SelectScience