Tundra 3/8 In. Wall Semi-Slit Pipe Insulation Wrap features closed cell polyolefin tubing designed for excellent thermal insulation. This fire retardant wrap resists rotting and disintegration, making it a durable solution to prevent zing in winter and reduce condensation in summer. I for use over cold and hot water systems, refrigeration, air conditioning lines, and various other insulating applications, it reliable performance across a wide temperature range from -90°F to 210°F. The gray wrap comes in multiple sizes to fit different pipe diameters, with a consistent wall thickness of 3/8 inch and R-values ranging from 2.2 to 2.6, ensuring effective insulation and energy savings. Model Number: