ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-46-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» ASLA Agar Base # QB-39-0083 Soy Peptone # QB-42-4210 Lecithin (soybeam) # QB-1L-2415 Maltose # QB-45-2820