The Black Diamond BDBF30DD 30-Inch Direct Drive Drum Fan is a powerful, high-velocity fan designed to improve air circulation in commercial, industrial, and agricultural settings. With a rugged 22-gauge steel housing and rust-resistant OSHA-compliant grilles, this fan is built for durability and safety. It features a thermally protected 2-speed motor that delivers up to 5,500 CFM, making it ideal for cooling people, machinery, and drying water-damaged areas. Fully assembled and equipped with 7-inch rubber wheels and a built-in handle, it’s easy to move and operate in any workspace.