The 175 SQ FT 60 in x 35 ft x 1-1/2 Th Roll Duct Liner in Grey with PSA from Jones Stephens Corp is designed for effective sound absorption and thermal insulation in HVAC systems. This duct liner features a thickness of 1-1/2 inches, providing excellent acoustic performance and energy efficiency. The 60-inch width and 35-foot length make it suitable for various applications, while the pressure-sensitive adhesive (PSA) backing ensures easy installation. Ideal for both residential and commercial HVAC systems, this duct liner enhances comfort and efficiency.