The 4-1/2" ID x 1/2" Wall Self Seal Pipe Insulation by Braxton Harris is designed to enhance energy efficiency and prevent condensation. This insulation is perfect for both residential and commercial applications, providing a reliable barrier against heat loss and moisture. Each carton contains 4 pieces, making it convenient for larger projects. The self-sealing feature simplifies installation, ensuring a snug fit around pipes without the need for additional adhesives. Constructed from high-quality materials, this insulation meets industry standards for thermal performance, making it an essential component for any plumbing system.