Freezers designed for daily sample protection and dependability. Environment friendly with safety features, these freezers provide outstanding thermal stability for a huge amount of samples. Modify your requirements with several optional features including chart recorder, CO2 back-up system, storage racks and remote alarm system. - Settable high temperature and low temperature alarms - Automatic clean-filter alarm and sensor error alert - Adjustable storage shelf height - Unique insulated inner door design for four separate storage compartments to minimize frost buildup inside the chamber