The 396' 5/8" ID x 3/8" Wall Semi-Slit Pipe Insulation by Braxton Harris is ideal for thermal insulation in plumbing and HVAC systems. This semi-slit design allows for easy installation around existing pipes, making it a practical choice for retrofitting. With a wall thickness of 3/8", it offers excellent thermal resistance, effectively maintaining pipe temperatures and minimizing energy loss. Constructed from high-quality materials, this insulation is built to last and meets industry standards for performance and safety, making it suitable for both residential and commercial applications.