Designed for all under-dash air connections hot or cold including defroster vents and fresh air intakes the Dayco Autoflex Defroster Duct Hose is made with tough lightweight and flexible reinforced vinyl. It installs 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.