4 Ton Convertible Packaged Heat Pump Unit, SEER:13, Volts:460, Hertz:60, Phase:3, Refrigerant:R410A, CFM:1600, Direct Drive, Supply Dims:19-1/2" X 12-1/4", Return Dims:12-1/4" X 19-1/8", Overall Dims:35"H X 76-1/4"W X 46-1/2"D, Weight:535Lbs, Origin:USA