For industrial-grade cooling performance, the Denali Aire 30 In. heavy duty high velocity drum fan shines. Boasting 30 In. industrial-grade aluminum fan blades, it's driven by a powerful 2/5 HP direct drive motor. With two-speed settings and all-metal construction featuring a durable powder-coated finish, it's designed for rugged use. The heavy-duty permanently lubricated motor ensures reliability. Equipped with wheels for easy portability and a 6 Ft. grounded power cord, it's ready to tackle demanding environments.