PureFlo SKL Series Capsule, Dual Layer PES 0.8um / 0.2um PES Sterilizing Grade Hydrophilic Membrane, Internal Filter Length 2.5", S-Size, Filtration Area 1,250 cm², ¼" - 3/8 " Tapered Hose Barb (Inlet/Outlet), Factory sterilized by ETO