This 100 square foot roll of duct liner from Jones Stephens Corp measures 48 inches wide and 25 feet long, with a thickness of 2 inches. Designed for HVAC applications, it provides excellent thermal insulation and sound attenuation. The gray surface finish is aesthetically pleasing and functional, ensuring compatibility with various duct systems. This liner is made from high-quality materials that comply with industry standards, making it suitable for both residential and commercial use. Ideal for improving energy efficiency and reducing noise in ductwork.