Polycarbonate Membrane Filter (25mm, 0.2um)This polycarbonate Track Etch (PCTE) membrane is ideally suited for use as the last extrusion membrane for making 200 nm liposomes or as an intermadiate membrane in a step-wise extrusion process. Pore size (um): 0.2Size (mm): 25Pack Size: 100Color: white transluscentMin order: 1