The F214 11 25 Double Ply Black Poly Silver Flex Duct R-4.2 from Mueller Streamline is engineered for efficient airflow and insulation in HVAC systems. This duct features a durable double-ply construction with a silver finish, ensuring long-lasting performance. With an R-4.2 insulation rating, it effectively minimizes energy loss, enhancing system efficiency. Ideal for both residential and commercial applications, this duct meets industry standards for quality and safety, making it a trusted choice for HVAC professionals.
