PORTABLE BLOWER VENTILATOR FANS 8 Inch Diameter Fan with 32'L Ducting Exhaust fans help ventilate and cool manholes, tanks and crawl spaces. Made using durable steel housing with a yellow finish. These two-speed blowers are lightweight and portable with an easy-carry handle. Powder coated steel blade guards enclose housing for safety. Rubber feet on base help minimize noise and reduce vibrations. Includes 10'L power cord. Ducting easily converts blower to an exhaust fan with convenient, flexible ducting. Ducts include quick-connect coupling for easy blower attachment. Ducts are made with 2-ply reinforced polyvinyl that is flame retardant and withstands -20° to 180°F temperatures. 120V. 1 Year Limited Warranty. Horsepower rating based upon maximum speed/load.