Helps ventilate and cool manholes, tanks and crawl spacesDurable steel housing with a yellow finishLightweight and portable with an easy-carry handlePowder coated steel blade guards enclose housing for safetyIncludes 10'L power cordDucting easily converts blower to an exhaust fanDucts include quick-connect coupling for easy blower attachmentDucts are made with 2-ply reinforced polyvinyl that is flame retardant and withstands -20° to 180°F temperatures, Lot of 1