ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-49-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Motility GI Medium # QB-39-3008 Ethyl Violet Azide Dextrose Agar # QB-48-2824 Bile Esculin Agar # QB-44-0115 H Medium Broth # QB-48-2108