ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-1L-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» SOB Broth # QB-48-3812 Elliker Agar # QB-46-1901 Peptone Water (Tryptone Broth) # QB-46-2107 m Tech Agar Base # QB-45-2914