EMD MILLIPORE UFC501096 Amicon Ultra Centrifugal Filter Unit with Ultracel-10 Membrane, Clear, 0.5 mL Volume, 1 sq. cm. Filtration Area, 10.8 mm Diameter x 49.9 mm L: Amazon.com: Industrial & Scientific
Amicon Ultra-2 Centrifugal Filter Unit Ultracel-30 regenerated cellulose membrane, 2 mL sample volume | Sigma-Aldrich
Compare Amicon Ultra Filters to Other Centrifugal Filters | Life Science Research | MilliporeSigma