IMPERIAL MANUFACTURING MEA-0425-6 MEA AIR DUCT, POLYESTER CORE, METALIZED

IMPERIAL MANUFACTURING MEA-0425-6 - MEA AIR DUCT, POLYESTER CORE, METALIZED OUTER JACKET, 4-IN. X 25-FT. - 4" X 25', SILVER, MEA AIR DUCT, 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, SUITABLE FOR USE WITH HEATING, VENTILATION & AIR CONDITIONING SYSTEMS. 4" DIA X 25' LENGTH MEA SILVER METALIZED JACKET AIR DUCT, R-6.0. UL 181/ULC S-110M/CLASS 1 AIR DUCT. 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 - EQUAL TO 264627