18,000 BTU Single-Zone Outdoor Heat Pump DC Inverter Mini Split Unit, Volts:208/230, Hertz:60, Phase:1, SEER/EER:18.0/12.0, Refrigerant:R-410A, Metering Device:EEV, Connections:1/4" X 5/8" Flare, Rated Cooling BTU:21,400, Rated Heating BTU:23,000, Dims:27-5/8"H X 37-5/8"W X 15-5/8"D, Weight:99 Lbs, In Mfg Box, Made In China. ***For Use With Indoor Model:4MXW8518A10N0CA (Not Included)***