ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-46-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» m Endo Broth (ALPHA) # QB-42-2915 Gelose EISA sans Chromogène # QB-49-1216 Czapek Malt Agar # QB-45-1039 Yeast Nitrogen Base w/o AA & Nitrogen # QB-48-5631