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Smoke Damper, Steel, UL555S Classified, Class III, Vee-Groove Blade, w/Optional Sleeve

Features:

UL555S Class III.
Rated to 2,000 fpm and 4" w.g.
With factory furnished actuator, provides fail-safe operation (the damper automatically goes to the desired fail-safe position when fire interrupts power).
Available with factory furnished sleeves.
Galvanized steel construction.

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