7-121-18 | 1-1/8in. ID x 1/2in. Wall, pack of 156ft. | DiversiTech

Diversitech Insulation Tubing 7-121-18 DiversiTech Insulation Tubing 7-121-18 is a 1-1/8" ID x 1/2"W insulation tubing, commonly used in industrial and commercial applications for insulating pipes, tubes, and other surfaces. Its flexible construction allows for easy installation around irregular shapes, while the closed-cell foam material provides excellent thermal insulation, helping to conserve energy and maintain desired temperatures. The tubing is also moisture-resistant, making it suitable for use in both indoor and outdoor environments. Our HVAC supply store offers the best prices and fast shipping for your products. The K-FLEX 7-121-18 tubing insulation is a flexible rubber insulation designed for HVAC with a tough surface and excellent resistance to ultraviolet damage, condensation, and mold. This insulation comes in 6 ft. lengths.