A wide selection of filter membranes is available for your filtration needs. When choosing a filter membrane for an application, consider several factors. Certain membrane materials are superior for different applications. The size of the particles you are attempting to separate will dictate the membrane pore size. Membrane pore sizes range from 0.10 mm to 5.00 mm. Our selection of membranes varies in diameter from 13 mm all the way up to 293 mm.