Flex Duct - UL 181 Insulated, Class 1, 25 Feet per Box

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Our premium insulated flex duct is UL 181 compliant, Class 1 Air Ducts and are manufactured with a tri-directional fiberglass scrim reinforced, metallized polyester outer jacket. A double lamination of tough polyester which encapsulates a steel wire helix forms the air-tight inner core of these flex ducts. The double-layer core of each product is wrapped with a thick blanket of fiberglass insulation. The inner core of our products is air tight and designed for low-to-medium operating pressures in HVAC systems. 

With a complete line for residential and commercial heating, ventilation and AC applications, ATCO builds products that are built to last. Over the years, ATCO has always held true to developing and delivering the highest quality products available. Their products meet the most stringent national and international standards. It is this commitment to quality that has led ATCO to receive numerous awards and industry recognition year after year.