ARMSTRONG AIR® Multi-Refrigerant Indoor Coil, Series: 7ED-01 Series, 4 ton Nominal Capacity, 12000 Btu, Cased Downflow, 800 to 2000 cfm, R-454B Refrigerant, Evaporator Coil, 7/8 x 3/8 in Connection, Sweat Connection, Aluminum, 27-1/2 in H x 21 in W x 26-1/2 in D