Whatman Puradisc Non-Sterile PTFE Syringe Filter, 0.45 Seco.us DA: 11 PA: 30 MOZ Rank: 44 Whatman Puradisc Non-Sterile PTFE Syringe Filter, 0.45 µm Pore Size, 13 mm dia Membrane Syringe Filter, Puradisc , 0.45 µm Pore Size, Up to 10 ml, 16.3 x 19.8 mm, 13 mm dia Membrane, PTFE Membrane, Non-sterile, Polypropylene Housing Material, Autoclavable, Optional Tube-tip Format for Accurate