"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. Blade Guard Included Yes, Blade Type 3-wing blade, Fan Diameter in. 48, HP 1/2, Air Delivery CFM 19,900, Amps 5.1, Needs to be Hardwired No, Plug Type 3-prong molded plug, Speeds qty. 1, Style Box style, Material Type Galvanized construction, Motor 60 Hz totally enclosed air-over motor w/thermal protection, Thermal Overload Protection Yes, Volts 230. Bolt-together design for easy part replacement Truck ship 3-year limited warranty U.S.A. Model PFG-4815D"