ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-42-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Lactobacillus Selection Agar # QB-49-2295 Marine Agar 2216 # QB-68-3005 M9 Broth # QB-46-2922 Listeria Broth w/Supplement # QB-48-2434