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🚪 Keep the drafts out, and the comfort in!
The Fantech 9800000 RSK-4 Backdraft Damper is a high-quality, 4-inch duct accessory designed to prevent unwanted airflow. Featuring a galvanized steel collar and lightweight aluminum blades, this spring-loaded damper ensures a positive closure, making it an essential component for efficient HVAC systems. Proudly made in the USA, it combines durability with functionality.
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