The Revolution Duct Attachment Kit secures layflat ducting to the process air outlet of the Revolution, allowing you to duct the Revolution’s warm dry air into hard-to-reach spaces or specialty drying equipment. Kit installs in about a minute with just a screwdriver! Includes fasteners, 10 in. duct ring, and two reusable 10 ft. (3 m) sections of 16 in. layflat ducting.