Minisart 0.2 um ptfe filter for power generation MF-Millipore™ Membrane Filter, 0.22 µm pore size | MF-Millipore Membrane Filter, 0.22 µm pore size 47 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic, white, 100 discs - Find MSDS or SDS, a COA, data sheets and more information.