ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-42-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Poudre de Hank # QB-48-0023 Salmonella-Shigella Agar # QB-68-4206 Drigalski Agar # QB-46-1096 Lactose # QB-1L-2407