Filter, Membrane, Pore Size 0.45 µm, Diameter 47 mm, 100/pk, plain, non-sterile

White mixed-cellulose ester media provides maximum retention, recovery and enumeration of microorganisms. Filters are ideal for membrane filtration of total and fecal coliforms, E. coli, Streptococcus species, heterotrophic bacteria and fungi. Meets or surpasses USEPA and ASTM specifications. Pore size: 0.45 µm. Diameter: 47 mm.