Fire and Smoke Dampers > Smoke Damper


 
Models under this category 
SD35: UL Classified Class III, V-Groove Blade
SD36: UL Classified Class II, V-Groove Blade
SD60: UL Classified Class I, Airfoil Blade
SD60-2: UL Classified Class II, Airfoil Blade
SD60V: UL Classified Class II, Vertical Airfoil Blade

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