These units are design for industrial applications that need 600-40,000 cfm. The Rotor Series uses a vertical desiccant and allows for a wide range of options to fit specific needs. These units have three options for reactivation: electricity, steam, and gas. These units offer a straightforward and economical design while utilizing the most state of the art desiccant wheels. Circuit breakers are used instead of fuses to reduce the maintenance cost.