IMPERIAL MEA-0625 6 X 25FT AIR DUCT SLVR R4.2

Imperial® Air Duct, MEA Series, 25 ft Length, 6 in Diameter, 2.5 kPa Intermittent Positive, 1.5 kPa Continuous Positive, 0.5 kPa Negative, Fiberglass/Polyester/Steel, Silver, R-Value: R4.2, 4000 fpm Velocity Rating, -20 to 140 deg F, -20 to 180 deg F, 250 deg F

The air duct is designed for wherever UL 181 and ULC S-110 standards for class 1 air duct is required. The 2-ply polyester laminated inner core provides outstanding resistance and durability. The fiberglass reinforced metalized outer jacket is extremely strong and will not unravel. The air duct is suitable for use with heating, ventilation and air conditioning systems.