"All-galvanized construction fan resists corrosion in high-humidity areas. Galvanized welded wire guard on intake and exhaust. Comes assembled and ready to install with prepunched holes for hanging. Truck ship. 3-year limited warranty. U.S.A. Needs to be Hardwired No, Amps 5.1, Fan Diameter in. 48, Volts 230, Speeds qty. 1, Speed RPM 852, Air Delivery CFM 19,900, HP 1/2. Bolt-together design for easy part replacement Truck ship 3-year limited warranty U.S.A. Model PFG-4815D"