Hidden Frost Top, self-contained, 36"W x 22"D, 20-1/8" overall height, 1" flange, compatible with 1/4" to 1" countertop, on/off switch, digital thermostat, one-piece construction, hermetically sealed compressor with 404-a refrigerant, thermostatic expansion valve with drier & sight glass, fully insulated with 2" polystyrene, 1-1/4" angle iron frame condenser housing, welded & sealed with silicone sealant, 16-gauge stainless steel condenser base, 18 gauge 304 stainless steel housing, 110-120v/60/1-ph, 8.4 amps, 920 watts, NEMA 5-15P, NSF, UL (not intended for use with marble)