The FB118 20 25 is a double ply black poly flex duct with an R-value of 8.0, designed for superior thermal insulation in HVAC systems. Measuring 20 inches in diameter and 25 feet in length, this duct is flexible and easy to install, making it ideal for various applications. Its robust construction ensures durability and resistance to environmental factors, while compliance with industry standards guarantees performance. This product is perfect for both residential and commercial installations, providing efficient airflow and energy savings.
