The Air King 20-inch 2,140 CFM 3-speed box fan emits a cool breeze perfect for shops, dormitories, offices, and homes. The 1/25 HP motor keeps the whole room temperate and features low-, medium-, and high-speeds for optimal control. On high speed, the he airflow measures 2140 CFM, on medium it is 1740, and on low it is 1300. As an another feature, the single-phase motor is fully enclosed for long-lasting, quiet performance that is operated by a top-mounted rotary switch. Additionally, this fan boasts maintenance-free permanent lubrication and a permanent split capacitor, as well as two 120-volt outlets to allow the connection of other appliances and tools. Impact-resistant grills protect the blades to ensure long-lasting durability. It comes fully assembled with an 8-foot, 3-conductor, SPT-type black power cord For safety's sake this fan complies with all UL and OSHA regulations. It has 20-inch blades and measures 20-1/2-by-6-3/8-by-23-5/8-inches (LxWxH) and weighs 12.8 pounds.P bWhat's in the Box/bbr 3-speed box fan and an 8-foot, SPT black power cord For safe, reliable cooling in almost any setting, choose the 20 Air King 9723 electric cooling box fan. This quiet unit is ideal for any work, study, or sleeping space. Durable steel housing and polypropylene fan blades guarantee extended service while plastic grilles and rounded blade edges and housing corners offer added safety. pbPowerful/bbrThe high output, commercial-grade Air King 9732 box fan provides up to 2,200 CFMs of cooling, making it extremely powerful for its size. /ppbPortable/bbrThis box fan is fully portable and has an easy-access top-mounted carrying handle. /ppbSafe/bbrThe Air King 9732 box fan has plastic grilles with rounded blade edges and housing corners for safety. /ppbMultiple Comfort Settings/bbrChoose from three fan speeds for ultimate comfort in any room.