ESSICK AIR PRODUCTS 75/85DD Ducted Evaporative Cooler,6074to6685 cfm Ducted Evaporative Cooler, With Drive, Air Flow 6074 to 6685 cfm, Cooling Capacity 2000 to 4000 sq. ft.Drive Type Belt, Speed Variable, Motor HP 3/4 or 1, Voltage 115Discharge Down, Width 41-1/4 In., Depth 41-1/4 In., Height 53-5/8 In.Duct Opening Length 21-3/4 In., Duct Opening Width 21-3/4 In., Media Aspen, Pad Thickness 2 In., Pump Voltage 115, Power Cord Length 8 ft., Water Connection 3/8 In.Fill Type Hose, Operating Weight 397/403 lb.Color Cool Sand