ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-42-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» E.coli Direct Agar w/MUG # QB-49-1515 Nitrate Broth # QB-39-3306 GBNA Medium # QB-46-1909 Tryptone Bile X-Gluc Agar # QB-49-5003