MF-Millipore ® Membrane Filter, 0.65 µm pore size, 25 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic, white, 100 discs. 0.65 μm pore size. 81 % porosity. AP4004705. Glass Fiber Filter without binder, 0.7 µm pore size, hydrophilic glass fiber, 47 mm diameter. 0.7 μm pore size. 90 % porosity.