Imperial MEA-0425-6 MEA Air Duct, 4 Inch x 25 Feet

Designed for wherever UL 181 standards for Class 1 Air Duct is required. Suitable for use with heating, ventilation & air conditioning systems.

Highlights:

• R-6.0. UL 181/ULC S-110M/Class 1 Air Duct
• 2-Ply polyester laminated inner core provides outstanding resistance & durability
• Fiberglass reinforced metalized outer jacket, extremely strong, will not unravel

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