ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-39-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Phenol Red Agar Base # QB-46-3510 Dubos Oleic Broth Base # QB-1L-1055 Blood Agar Base # QB-1L-0124 Sabouraud Dextrose Agar, Emmons # QB-48-3808