21" x 21.5" x 26.9", 7/8" Gas Line, 3/8" Liquid Line, 42000 BTU, 14 SEER, Aluminum, 3-Row, 14 FPI, Brazed Connection, Direct Expansion, Plate Fin, Downflow/Convertible Horizontal Right Air Flow, High Efficiency, Type A, Cased, Evaporator Coil for Split System Heat Pump