Portable Utility Fan Blade Diameter 18 in Color Red Frame Finish Powder Coated Free Airflow 3700 cfm Full Load Current 3.8 A Guard Finish Cadmium Plated Maximum Airflow 3700 cfm Motor Enclosure Totally Enclosed Motor Horsepower 1/3 hp Motor Speed 1725 RPM Motor Type Totally Enclosed Air Over Nameplate Voltage 115 V AC Number of Speeds 1 Overall Depth 21 1/2 in Overall Height 21 1/2 in Overall Width 21 1/2 in Power Cord Length 6 ft Power Source Electric