Millex™ Sterile Syringe Filters: MCE Membrane are ready-to-use, syringe-driven units that have never been touched by human hands during filter assembly. Feature 0.22, 0.45 and 0.80µm pore sizes; medical-grade filters available. 100% integrity tested, individually packaged, and sterilized Female Luer-Lok™ inlet and male Luer slip outlet