ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-39-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Tryptone Glucose Yeast Agar # QB-48-4311 Clostridium Fermentation Medium # QB-48-1715 BVCC Agar # QB-45-0122 Glucose Yeast Extract Agar # QB-68-1938