

The FB216 Insulated Flex Duct (Part Number: 13602520H) is a high-quality duct designed for heating, air conditioning, and ventilation systems. With a size of 20" and an impressive R Value of 6.0, this duct ensures efficient airflow and temperature control. The silver jacket, reinforced with fiberglass scrim, provides durability and insulation. Installation is straightforward and can be done in under 30 minutes with common tools.