These laboratory freezers are engineered for cold storage use in environments where volatile conditions could potentially exist. These units are equipped with keyed door locks, interior shelving, and microprocessor temperature controllers. They meet NFPA and OSHA guidelines Class 1, Division II, Group C & D for storing substances in hazardous locations and utilize ATEX and non-sparking components for additional safety. These units are equipped with manual defrost cycles, giving you more control over the temperatures in your unit. These freezers deliver multi-functional features in a cost-effective design.