The Mueller Streamline F116 18 25 Grey Double Ply Black Poly R-6.0 is a premium insulation product designed for superior thermal efficiency. This double-ply insulation features a grey outer layer and is constructed from high-quality black polyethylene, providing excellent durability and moisture resistance. With an R-value of 6.0, it is perfect for HVAC applications, ensuring optimal thermal performance. The insulation is compatible with various pipe sizes, making it versatile for different installations. Its robust design guarantees reliable performance in both residential and commercial environments.