Drop-In Frost Top,21-1/16"L,accommodates (1) full size sheet pan,auto defrost,electronic adjustable temperature control can be mounted to either side of condensing unit or remotely up to 4 from unit,with control panel (shipped loose),designed for remote refrigeration (condensing unit by others),utilizes R-404A refrigerant,Made in USA,Height:8.63 Width:28.94 Depth:21.06