FSD60-VOW UL Classified 1 1/2 hr. Class I, Vertical Airfol Blade, Out of Wall/Floor
The FSD60-VOW is a UL555 Classified Fire Damper and a UL555S Classified Smoke Damper designed for use in "out of wall or concrete floor" through penetration applications. This damper is ideal for shaft exists where pressure drop is of concern. The FSD60-VOW Features: