ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-49-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Hugh Leifson Glucose Medium # QB-45-2145 HTM Agar # QB-1L-2115 Lauryl Sulfate Broth (Membrane filtrante) # QB-68-2406 Special Yeast and Mold Medium # QB-49-4415