Hurricane? Inline Fans are commercial-grade, high-performance fans. The housings are made of steel with a durable powder-coated finish. Made with quality UL components for quiet operation. Includes mounting brackets with easy-to-follow instructions. Easily installs in minutes. These fans come with an 8 ft 120 V power cord. Recommended for use with: Phresh? & Black Ops? Carbon Filters, Ideal-Air? Ducting and Clamps and Titan Controls? ventilation controllers. Extremely reliable, high-performance operation.