The UltraSpec™ Series Pass-Through Refrigerator is a two-section, self-contained refrigeration unit with a capacity of 52.97 cu. ft. It features four wide full height solid hinged doors and six silver freeze (chrome-style) shelves. The exterior is made of stainless steel, while the interior is made of aluminum. The cabinet has a standard depth. It is equipped with TOUCH POINT™ electronic temperature control/indicator and LED lighting. The refrigerator uses expansion valve technology and has Santoprene door gaskets with a 2-year warranty. It also has stainless steel breakers and uses R290 Hydrocarbon refrigerant. The unit has a 1/3 HP motor and is cULus, UL EPH Classified, and UL-Sanitation certified. It is proudly made in the USA. (We also offer a variety of other pass-thru refrigerators and freezers.)