Backdraft damper with lightweight blades and foam closure to eliminate noise and increase efficiency.

• Backdraft dampers keep cold air out when your appliance is not being used
• Regulates airflow within the ductwork
• Foamed shutter system for quiet closure
• Vertical or horizontal mounting, with one end crimped
• Dampers are available in sizes 3" up to 24 Inch ducting. 

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