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, ¼” - ½” Tapered Hose Barb (Inlet/Outlet), Factory sterilized by ETO