The 3-1/8" ID x 1/2" Wall Self Seal Rubber Pipe Insulation by Braxton Harris is engineered for effective thermal insulation. This product comes in a pack of 8, making it ideal for both residential and commercial applications. The self-sealing feature simplifies installation, ensuring a snug fit around pipes to minimize heat loss and condensation. Made from high-quality rubber, it provides excellent durability and resistance to moisture. This insulation is perfect for HVAC systems, plumbing, and refrigeration, helping to maintain energy efficiency and reduce noise.