ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-49-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Heart Infusion Agar # QB-68-2011 Fagi Broth # QB-45-1711 Mycelium Broth # QB-1L-2829 Lactose Broth # QB-48-2306