These freezers deliver rich features and benefits for the most demanding cold-storage applications. Designed to utilize standard racks, this unit offers high efficiency with low noise by utilizing 2 high-efficiency compressors that keep decibel levels low, while still having 300 BTU/h reserve capacity. The interior of the unit features a triple-gasket seal, vacuum relief port, 5 double-walled insulated doors, and 5-1/2"–6" of urethane insulation in critical areas. Units are made in the USA and are UL and C-UL listed. -58°F to -123°F (-50°C to -86°C)