The 1-3/8" ID x 1/2" Wall Seamless Rubber Pipe Insulation from Braxton Harris is perfect for insulating pipes in various applications. Sold in cartons of 20, this insulation is crafted from high-grade rubber, ensuring long-lasting performance and moisture resistance. Its seamless construction enhances thermal efficiency, making it suitable for both heating and cooling systems. This product complies with industry standards, providing peace of mind for both residential and commercial installations.