Blower: 8 in Wheel, With Drive, 805 cfm @ 0.250 in SP, 1 6 hp, 115 230V AC, 1 Ph Constructed of solid woods and Constructed of solid woods and manufactured woods for strength and durability Traditional decorative details are contrasted with modern elements to create visual interest 725 RPM Motor Type Split Phase Maximum Fan Speed 978 RPM Outlet Duct Connection Height 8 1 4 in Outlet Duct Connection Width 9 1 8 in Inlet Duct Connection Height 13 3 8 in Inlet Duct Connection Width 15 7 8 in Shaft Diameter 3 4 in Overall Height 15 1 4 in Overall Width 18 in Overall Depth 23 in Mounting Orientation Horizontal Features 1 2 in Internal Fiberglass Insulation Helps Isolate Noise and Overcome Condensation on Cabinet When Used in Cooling Applications 805 cfm @ 0