Drop-In Frost Top,57"L,accommodates (3) 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,1" NPT drain,with control panel (shipped loose),designed for remote refrigeration (condensing unit by others),utilizes R-404A refrigerant,Made in USA,Height:8.63 Width:57 Depth:28.94