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Fire dampers automatically close in the event of a fire. Dynamic fire dampers will remain closed even if the airflow continues during the fire.

17D

1½ Hour Rated Curtain Blade Fire Damper 17DX

1½ Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper 17MA

1½ Hour Rated Non-Motorized Airfoil Blade Fire Damper 17MD

1½ Hour Rated Non-Motorized Single Thickness Multi-Blade Fire Damper 17MDSS

1½ Hour Rated Non-Motorized Single Thickness Multi-Blade Stainless Steel Fire Damper 38D

3 Hour Rated Curtain Blade Fire Damper 38DX

3 Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper 38MA

3 Hour Rated Non-Motorized Airfoil Blade Fire Damper 38MD

3 Hour Rated Non-Motorized Single Thickness Multi-Blade Fire Damper S3
1½ Hour Rated True Round Curtain Fire Damper (Phillips) R7

1½ Hour Rated True Round Single Blade Fire Damper