Duct liner is permanently bonded to a corrosion resistant spring steel wire helix, also supporting a blanket of fiberglass insulation. Vapor barrier is an outer jacket of fiberglass reinforced metalized film laminate.
Designed for wherever UL 181 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
Suitable for use with heating, ventilation and air conditioning systems
Shipments do not include tariffs, custom clearance fees, brokerage fees and local taxes. (If custom fees are not prepaid to the shipping company, shipments will be abandoned at the border and we are unable to retrieve the shipment).
ALL SHIPMENTS TO USA ARE FINAL SALE.
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