PALL FD010K65 Jumbosep Centrifugal Filter, PES Membrane, 10K MWCO Pore Size (Pack of 4) $302.90 B00BWXCEV2
Pall 66278 Metricel GN-6 Membrane Filter, Grid Pattern, 0.45 um Pore Size, 47 mm Diameter (Pack of 200) $171.63 B00V4ALDYM