The Dayco Autoflex Defroster Duct Hose, designed for all under-dash air connections, hot or cold, including defroster vents and fresh air intakes, is made with tough, lightweight, and flexible reinforced vinyl. The hose can be installed in minutes and can be clamped or taped to existing fittings. Available in 15 I.D. sizes, it services a wide range of applications. Individually boxed 6’ lengths are compressed to 28” per box for easy stocking.