Airstage, AOUG36LMAS1, Air Handler, Series: AOUG, 36000 Btu/hr Nominal, 36000 Btu/hr Cooling, 42000 Btu/hr Heating, 590, 730, 870 cfm Flow Rate, 208 to 230 VAC, 1 ph, 60 Hz Power Source, R-410A Refrigerant, 57 in H x 21 in W x 21-11/16 in D Dimensions, Import