MF-Millipore ® Membrane Filter, 0.22 µm pore size, 25 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic, white, 100 discs Expand NY2004700 Nylon Net Filter, 20.0 um pore size, hydrophilic nylon membrane, 47 mm diameter Page 1 of 46 MEMBRANE FILTER CHARACTERISTICS