The F114 08 50 Double Ply Black Poly Flex Duct R-4.2 from Mueller Streamline is a high-performance ducting option for HVAC systems. Measuring 8 inches in diameter and 50 feet in length, this flexible duct features a double-ply design that ensures durability and superior insulation. With an R-value of 4.2, it effectively minimizes energy loss, making it suitable for both residential and commercial applications. Its flexibility allows for easy routing in confined spaces, enhancing installation efficiency.
