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