The 175 SQ FT Duct Liner Roll from Jones Stephens Corp measures 60" x 35 FT with a thickness of 1-1/2". This high-quality gray duct liner is designed to enhance energy efficiency and reduce noise in HVAC systems. Made from durable materials, it provides excellent thermal insulation and sound absorption, making it ideal for both residential and commercial applications. The roll format allows for easy installation and customization to fit various duct sizes. This duct liner meets industry standards for performance and safety, ensuring a reliable solution for HVAC projects.