ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-46-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Proteose No.3 Agar # QB-45-3529 TSA No. 2 # QB-68-5111 Yeast Nitrogen Base w/o AA, w/Nitrogen # QB-44-5632 WL Nutrient Agar # QB-48-5613