PureFlo SKL Series Capsule, Highly Asymmetric Dual Layer PES 0.65μm / 0.2μm PES Sterilizing Grade Hydrophilic Membrane, Internal Filter Length 1.5", H-Size, Filtration Area 680 cm2, Luer Loc Female Inlet, Luer Loc Male Outlet, Gamma Stable Polypropylene Construction.