Design that is optimized to protect your sensitive samples, our cryogenic freezers provide ultimate protection and are absolutely reliable. With high quality construction and microprocessor controls, it helps you to achieve stable long term preservation of cells and tissues effortlessly. - Unique insulated inner door design for four separate storage compartments to minimize frost build-up inside the chamber - Specialized control system design for well-balanced operation of cascade refrigeration system - Unique door seal design for the minimum loss of cold temperature during door opening - 200 mm thickness without CFC insulation to minimize cabinet heat gain and to improve temperature stability