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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.

D17

1½ Hour Rated Curtain Blade Fire Damper D17X

1½ Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper MA17

1½ Hour Rated Non-Motorized Airfoil Blade Fire Damper MD17

1½ Hour Rated Non-Motorized Single Thickness Multi-Blade Fire Damper MD17SS

1½ Hour Rated Non-Motorized Single Thickness Multi-Blade Stainless Steel Fire Damper D37

3 Hour Rated Curtain Blade Fire Damper D37X

3 Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper MA37

3 Hour Rated Non-Motorized Airfoil Blade Fire Damper MD37

3 Hour Rated Non-Motorized Single Thickness Multi-Blade Fire Damper R17
1½ Hour Rated True Round Curtain Fire Damper (Phillips) R9

1½ Hour Rated True Round Single Blade Fire Damper