Maxx Air Pro Series 42 In. 2-Speed Belt Drive Drum FanThe 42 In. Maxx Air Pro Barrel Fan is ideal for indoor industrial or commercial application. To keep people & machines cool at a factory or warehouse, for more air circulation at a gym or shop, or to keep animals comfortable at a barn. The fan features a roll formed steel housing and rust resistant grilles to resist damage and wear while on the job, and it's belt driven design, vibration reducing non skid positioning legs, and 4 blade assembly ensures