The 24 FT Semi-Slit Black Poly Pipe Insulation Tube with a 4-1/8" ID and 3/4" wall thickness from Jones Stephens Corp is designed for effective thermal insulation in plumbing and HVAC applications. This high-quality polyethylene material provides excellent resistance to moisture and temperature fluctuations, ensuring optimal performance. The semi-slit design allows for easy installation over existing pipes, making it ideal for retrofitting. This insulation tube meets industry standards for safety and efficiency, making it a reliable choice for both residential and commercial projects.