Product DetailsThis 24-inch portable floor fan is designed to move large volumes of air; ideal for offices, factories, warehouses, loading docks, greenhouses, barns, and auto shops. Fan speed is adjustable with 2 settings (high and low) up to 7700 CFM, allowing you to adjust the air circulation to your desired power while still being cost effective and energy efficient, using only 220 at max speed watt. The fan has a built-in 3-blade aluminum propeller with 360° rotation. The fan housing is constructed of heavy gauge steel with a powder coated finish. Motor speed: 1100, working current: 1.9A, industrial application, fully assembled, maximum ambient temperature. 104°F (40°C), Fully Enclosed Air Motor Enclosure, Class B Motor Insulation, Automatic Thermal Protection, Ball Bearing Type, 30"H x 30-1/2"W x 13-1/4"D, 6.5" feet rope,The fan adopts stepless speed regulation design, high and low settingsHigh speed will deliver 7700 CFM at 69 DBA and low speed will deliver 6500 CFM at 62 DBAThe fan adopts roller bearing motor, which is heat-resistant and maintenance-free1/3 hp electric motor is safe to operate between 32°F - 104°FDesigned with portable, easy-rolling wheels for garages, shops, yards, barns, greenhouses, warehouse environments and more360° all-round tilt, all-round wind direction to meet all your needsThe solid steel housing of this stand fan forms channels for added structure and rigidityThe handle is convenient to carry, and the powder coating is beautiful and durableBuilt-in thermal protection will shut off if it overheats for any reason