Regular Price $106.69 Price $92.77. Add to Cart. Tisch Scientific MCE Membrane Filters, White w/Black & Blue Grid, 0.45 µm, 47 mm, Sterile, 200 Pack, SF14709. Regular Price $118.39 Price $102.95. Add to Cart. Tisch Scientific Membrane Filter, Cellulose Acetate (CA), 0.45 µm, 47 mm, Nonsterile, 200 Pack, SF15103.