Cellulose Nitrate Filter Paper 0.45 micron dia 47mm pack of 100 suitable for millipore membrane filter set AC-607M4547 AC-2270m | Chemistry Bio Chemistry | Abronexport.com
Always in Stock - Cole-Parmer Essentials Nylon Membrane Filters; 0.45µm Pore, 47mm Dia, 100/Pk from Cole-Parmer
Filter Paper, 0.45 micron, 2.5 cm (100/Box) (Ultra Filtration) (For use in Pressure Filter Syringe Units) - Electro-Glo Distribution