The Air King 9700 20-Inch 3-Speed Deluxe Box Fan is perfect for locations in need of high-volume air movement, such as shops, dormitories, offices, homes and others. This fan features an adjustable thermostat that senses room temperature and automatically turns the fan on or off. With a steel body, impact-resistant plastic, and a chemical resistant polypropylene blade the fan is sure to last. The top-mounted switch allows easy fan control and the 8-foot, 3-conductor type SPT power cord is built for reach. This fan is OSHA approved for safety and measures 21.5-inches long by 6.375-inches wide by 22.25-inches high and weighs 13.60 pounds. The Air King 9700 20-Inch 3-Speed Deluxe Box Fan comes with a 1-year limited warranty. Air King offers a full line of industrial grade and commercial grade air circulating fan solutions to meet almost any need you might have. Whether your need is in industrial settings such as manufacturing plants and warehouses or more commercial setting such as offices, schools or hospitals - Air King has the perfect solution for you. Powerful motors that last for years and years are what Air King"s Air Circulators have come to been know as and we are not stopping now.