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A damper is a device used to regulate the flow and direction of air in a duct, duct, or ventilation system.

A damper is a device used to regulate the flow and direction of air in a duct, duct, or ventilation system.

A damper is a device used to regulate the flow and direction of air in a duct, duct, or ventilation system.

A damper is a device used to regulate the flow and direction of air in a duct, duct, or ventilation system.

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