For Product Inquiries and Availability, please contact your local Castle location.
The Imperial 4" x 25" MEA air duct is 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 while the fiberglass reinforced metalized outer jacket is extremely strong and will not unravel. This duct is suitable for use with heating, ventilation and air conditioning systems.
For Product Inquiries and Availability, please contact your local Castle location.
The Imperial 4" x 25" MEA air duct is 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 while the fiberglass reinforced metalized outer jacket is extremely strong and will not unravel. This duct is suitable for use with heating, ventilation and air conditioning systems.