R6 Insulated Flex Duct x 25ft.

For heating, air conditioning and ventilation.  Features 3/8″ over sized inner core made of polyester film.  25′ lengths packed in short 21″ box for easy handling.  Other types available by special order.   Jacket: Black Poly.  (Note:  3″ has Gold Jacket)

18″ and 20″ available upon quote request.