The 1-7/8" ID x 3/8" Wall Self Seal Pipe Insulation from Braxton Harris is engineered for optimal thermal performance in plumbing systems. Sold in cartons of 21, this insulation features a self-sealing design that simplifies installation and enhances energy efficiency. Constructed from high-quality materials, it is suitable for both residential and commercial applications, effectively maintaining temperature control in pipes. This product meets industry standards for insulation, making it a reliable choice for contractors and DIY projects alike, ensuring long-lasting performance and energy savings.