The FB216 09 25 Silver Double Ply Black Poly R-6.0 by Mueller Streamline is engineered for high-efficiency insulation. This product features a double ply construction that enhances durability and provides an R-6.0 thermal resistance. With a diameter of 9 inches and a length of 25 feet, it is perfect for various piping applications. The silver finish not only adds aesthetic value but also protects against UV damage. This insulation meets industry standards, making it a reliable choice for both residential and commercial projects.