Ruck 10" Backdraft Damper | Galvanized Steel Spring-Loaded Duct Damper Endomaxx Producing a product that a

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Ruck 10" Backdraft Damper | Galvanized Steel Spring-Loaded Duct Damper Endomaxx Producing a product that aThe Ruck 10 inch backdraft damper enforces one way airflow in a 10" duct run, its spring loaded aluminum flaps opening on extraction and sealing shut when the fan stops to block backdrafts. This duct backdraft damper uses a galvanized steel housing and a rubber seal for a tight close, and mounts horizontally or vertically. Ruck 10 Inch Backdraft Damper for One Way Duct Airflow The Ruck 10 inch backdraft damper drops into a 10" duct run and lets air