Maxx Air 42 In. 2-Speed Belt Drive Drum FanThe Maxx Air 42 in. 2 Speed Portable Barrel Fan moves large volumes of hot air quickly and efficiently to keep people and machines cooled off indoors on the factory floor, in an industrial warehouse or commercial garage, or in a barn with livestock where high velocity air movement is needed. It features a heavy duty 22 gauge steel housing with rust resistant grilles and requires no assembly. A quiet, yet powerful performance is what you can expect