The FB116 12 25 Grey Double Ply Black Poly R-6.0 from Mueller Streamline is a high-performance insulation solution designed for optimal thermal efficiency. This product features a robust double ply construction, ensuring durability and resistance to wear. With an R-value of 6.0, it effectively minimizes heat loss, making it ideal for various applications in HVAC systems. The insulation is made from high-quality black polyethylene, providing excellent moisture resistance and longevity. Measuring 12 inches in diameter and 25 feet in length, it fits standard piping systems seamlessly. This product complies with industry standards, ensuring reliability and safety in installation.