The 18 FT Rubber Pipe Insulation features a 3-1/8 inch inner diameter and a 1-1/2 inch wall thickness, providing superior thermal insulation for pipes. Manufactured by Jones Stephens, this high-quality insulation is designed to minimize heat loss and prevent condensation, making it ideal for HVAC and plumbing applications. The flexible rubber material ensures a snug fit around pipes, enhancing energy efficiency and protecting against moisture damage. This insulation meets industry standards for performance and durability, making it a reliable choice for both residential and commercial projects.