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The Johns Manville International DULH4 is a linocoustical duct liner that measures forty-seven and one-half inches in width, one inch in thickness, and one hundred feet in length. It is designed to improve HVAC systems by providing thermal insulation and sound absorption. This product is ideal for various applications, including residential, commercial, and industrial setups.
This duct liner enhances system efficiency while reducing noise levels within indoor spaces.
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