Draft Inducer, Rooftop, Inlet and Outlet Dia. (In. ) 12, Voltage 120, 5.8 Amps, 1/2 hp HP, Height (In. ) 24 in, Width (In. ) 18 1/2 in, Depth (In. ) 18 1/2 in, Provides Additional Draft for Solid Fuel Heating Appliances, Construction Material Coated Galvanized Steel, Agency Compliance CAN/CSA B255M81, UL378, UL705, View Catalog Page for Selection Criteria, Includes Wall-Mount Speed Control, 1700