Difco" Agar Noble, 500g bottle Noble Agar is a solidifying agent that is essentially free of impurities. It is used in electrophoretic and nutritional procedures and in preparing microbiological culture media when increased purity is required.

On October 3, 2017 an URGENT MEDICAL DEVICE PRODUCT RECA:LL letter was mailed to customers informing them of the recall and requesting that their inventory be checked for product, which should be quarantined and then thrown away. Also, to share notification of recall to any other customers that may have received product. Firm will replace any discarded inventory. Questions or concerns can be directed to: 1-800-638-8663.