

The FB216 Insulated Flex Duct (part number 13602406H) is a high-performance solution for your heating, air conditioning, and ventilation needs. With a size of 6" and an impressive R Value of 6.0, this duct is ideal for maintaining energy efficiency. Its silver jacket, reinforced with fiberglass scrim, ensures durability and longevity. The double-ply black polyester core provides added strength.