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Pottorff > Fire - Smoke Dampers > Fire Dampers > 3 Hr Rated
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Fire - Smoke Dampers

3 Hr Rated

3V Blade
3V Blade Fire - Smoke Dampers
FSD-341 Class 1
FSD-342 Class 2
FSD-343 Class 3
Airfoil Blade
Airfoil Blade Fire - Smoke Dampers
FSD-351 Class 1
FSD-352 Class 2
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