ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-44-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Clostridium Difficile Agar # QB-48-0910 Lysine Iron Agar, Modified # QB-44-2449 AB Medium # QB-42-0054 Czapek Dox Broth # QB-68-0924