The FB114 07 25 Grey Double Ply Black Poly R-4.2 by Mueller Streamline is a high-performance insulation product designed for energy efficiency. This double-ply insulation features a robust black poly exterior, providing excellent durability and resistance to environmental factors. With an R-value of 4.2, it effectively reduces heat loss, making it ideal for HVAC applications. The insulation is easy to install and compatible with various piping systems, ensuring optimal thermal performance and energy savings.
