2021 new ptfe 0.22 micron filter Porex Minisart® Syringe Filter, Polyethersulfone (PES), Pore Size 0 Minisart® Syringe Filter, Polyethersulfone (PES), Pore Size 0.22 µm, Ethylene Oxide, Female Luer Lock, Male Luer Lock, Pack Size 50 Added to Shopping Cart Minisart ® High Flow with polyethersulfone (PES) is optimal for highest flow rates and