Millex-HA Filter, 0,45 µm, Zellulosemischester, 33 mm, durch Ethylenoxid sterilisiert Hintergrundinformationen Available in 4, 13, 25, 33, and 50 mm diameters with a variety of membranes, Millex® sterile syringe filters are ideal for sterilizing organic solvents, aqueous solutions or air/gas.