The F114 05 50 Double Ply Black Poly Flex Duct R-4.2 by Mueller Streamline is designed for optimal airflow and insulation in HVAC systems. This flexible duct features a double ply construction that enhances durability and thermal efficiency, achieving an R-value of 4.2. With dimensions tailored for easy installation, it fits seamlessly into various ductwork configurations. This product meets industry standards for safety and performance, making it a reliable choice for both residential and commercial HVAC applications.
