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-Airƒ?› Ducting and Clamps and Titan Controls?? ventilation controllers. Extremely reliable, high-performance operation.