This 23 c.f. capacity cold-wall freezer maintains a constant -20°C temperature, displayed by a thermally weighted digital thermometer. Non-CFC foamed insulation in the walls and door and 1/2 HP compressor guarantee temperature performance. Six adjustable epoxy-coated steel wire shelves offer 28 sq. ft. of storage space; floor drain with tubing facilitates defrosting when necessary. Options such as inner aluminum doors, extra shelves, door lock, temperature alarm, chart recorder, casters, and more can be found on the ACCESSORIES list.