"Industrial grade fan is perfect for shop or garage. Quiet 120V motor generates 21,000 CFM for complete air circulation. Speed RPM 320, Volts 120, Blade Type Straight, Power Cord ft. 2.5, Speeds qty. Single, Air Delivery CFM 17,100, Amps 6, Color White, Fan Diameter in. 56, Blade Material Aluminum, Finish Type Epoxy paint, Blades qty. 3. Fully assembled except blade bolt Recommended for use with Item# 255326 variable speed control All metal construction White epoxy finish 24in. down rod with safety cable Mounts to 3/8in. diameter steel J-hook 18 pole motor 120V 1 Phase Capacitor type, impedance protected motor with sealed ball bearings 3 conductor cord 30in. long with plug Permanently lubricated 17,100 CFM 310 RPM 0.6 Amps Includes mounting kit"