Cole-Parmer® Standard Series Manual Defrost Freezers offer a significant upgrade in performance for the reliable storage of critical samples and supplies. Featuring a precise digital microprocessor temperature controller, these freezers provide consistent and accurate temperature management, with a manual defrost system to maintain efficiency. Safety and security are prioritized with remote alarm contacts, a keyed door lock, and an audible/visual alarm system. Built with environmentally friendly hydrocarbon refrigerants and backed by a comprehensive warranty, these freezers deliver dependable performance and peace of mind for laboratories and research facilities.