The Black Diamond 30" direct drive drum fan is a versatile high velocity fan that can be used for a variety of medium-sized ventilation needs. The fan can be used to keep people, animals, and machines cool, help dry water-damaged areas, or speed up the curing process of concrete or tile in construction. It can also be used in shops, barns, garages or a variety of warehouse, plant, and factory applications.\nThe fan is completely assembled and ready to operate, simply plug into any standard outlet.