Omicron 200050X PTFE Venting Filter Disc, 60 psi Maximum Operation Pressure, 50 mm, 0.45 µm Sterile, Individually Packed (Pack of 10) B012MU5GP4
Omicron 170047R Nylon Membrane Filters, 0.2 μm, 47 mm (Pack of 100) $42.64 B012S8P81M