Color: Red Syringe Filters PTFE: Hydrophobic PTFE membrane with Polypropylene(PP) housing,non sterile Diameter: 13mm Syringe Filters; Pore Size:0.22um; 100/pack Connectors:Inlet: Female luer, Outlet: male slip luer Excellent unit-to-unit and lot-to-lot reproducibility and consistency Features:Broad Chemical Compatibility; Strong Chemical Stability and Inertia; PTFE can be either hydrophobic