PVDF, pore size 0.45 μm, filter diam. 47 mm, white plain sterile membranes for microbiological analysis: Pricing: HAWG647SP: mixed cellulose esters (MCE), pore size 0.45 μm, filter diam. 47 mm, white gridded + 3 dispensers & 600pads for microbiological analysis: Pricing: HAGG050S6