Versa Kool® mobile drum fans have a "bulldog-tough" design for maximum impact and rust resistance. A single "bulldog-tough" mobile fan will not only take the place of several lower performance fans but will also outlive them, lasting for 10+ years. These mobile drum fans are the portable solution for moving large amounts of air at higher velocities. Designed with ultra durable housing and a rugged base for impact resistance and to withstand the elements, these fans are ideal for portable personal comfort or livestock and equipment cooling needs in any industrial, commercial, or agricultural facility. Schaefer Versa-Kool® Air Circulator Fan, 1-Phase Mobile, 11020 cfm, 825 RPM Speed, 1/2 HP Power, 115/230 VAC, 7/3.5 A, 60 Hz Frequency, 1 Speed, 3 Blades, Direct Drive Control, Galvanized Steel Blade, Totally Enclosed Motor, Polyethylene Housing Material, 12 ft Cord, 36 in Dia Dimensions, Domestic