The FB218 20 25 Double Ply Black Poly Silver Flex Duct R-8.0 is engineered for superior insulation and airflow efficiency. This flexible duct features a double ply construction, enhancing durability and reducing air leakage. With an R-value of 8.0, it provides excellent thermal resistance, making it ideal for HVAC applications. The duct measures 20 inches in diameter and 25 feet in length, ensuring compatibility with standard duct systems. Its lightweight design allows for easy installation, while the black poly exterior offers a sleek appearance.
