Syringe Filter, Puradisc™ FP, 0.45 µm Pore Size, Up to 100 ml, 26 x 34 mm, 30 mm dia Membrane, Cellulose Acetate Membrane, Sterile, Polycarbonate Housing Material, Autoclavable, For Routine Syringe Filtration. Syringe Filter, Puradisc™ FP, 0.45 µm Pore Size, Up to 100 ml, 26 More SECO Part #: 12-4458-03.