Armstrong Air® Air Handler, Multi-Position Upflow, Series: 7 Series, 3 ton Nominal, 68200 Btu/hr Heating, 1580 cfm Flow Rate, 208/230 VAC, 1 ph, 60 Hz Power Source, 3/8 in Liquid Line, 3/4 in Suction Line, 19-3/4 in W x 11-1/16 in H Supply Air Opening, 20 in W x 21 in D Return Air Opening, 20 x 20 x 1 in Filter, Variable Speed Communicating Control, R-410A Refrigerant, Variable Speed Communicating Motor, Galvanized Steel, 12-1/4 in W x 22-5/8 in D x 51 in H Dimensions