Ducted Evaporative Cooler with motor Drive With Air Flow 5500 cfm Drive Type Belt Speed 1 Motor HP 1/2 Voltage 115/230 Discharge Side Width 39 In. Depth 39 In. Height 42-3/8 In. Duct Opening Length 19-3/4 In. Duct Opening Width 19-3/4 In. Pad Thickness 2 In. Pump Voltage 115 Water Capacity 16.4 gal. Operating Weight 357 lb. Color Cool Sand Includes 115V Pump