The 1-1/8" ID x 1/2" Wall Self Seal Rubber Pipe Insulation from Braxton Harris Co Inc is engineered for optimal thermal protection of pipes. This insulation features a self-sealing design for hassle-free installation, making it perfect for both DIY projects and professional use. Made from high-quality rubber, it effectively minimizes heat loss and prevents condensation, contributing to energy savings. The 25-piece pack is suitable for a variety of applications, including HVAC and plumbing systems, ensuring compliance with industry standards for safety and efficiency.