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The BUILDERS BEST 110222 is a four inch by twenty-five foot aluminum and polyester foil duct designed for efficient air flow. This product features a wire helix structure for added durability. The construction includes multi-ply layers of metalized polyester and aluminum/polyester laminate. It is certified under UL 181 as a Class 1 Air Connector, ensuring safety and reliability in air duct applications.
This foil duct is ideal for dryer exhaust systems and ventilation projects, providing effective airflow and connectivity.
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