The Black Diamond 42" belt drive drum fan quickly and efficiently moves large volumes of air. It is ideal for use in a barn with livestock, on a factory floor, in a warehouse or anywhere high-velocity air movement is needed to keep people, animals or machines cool. This fan is a powerful air circulator that removes stale air and odors and is a versatile workhorse that will provide years of dependable service in a variety of commercial applications.\nThe fan is completely assembled and ready to operate, simply plug into a standard outlet.