The Fire Rated Exhaust Fan Series is designed to automatically shut off and seal the duct from the rest of the dwelling once the temperature of the air passing through the damper exceeds that of the fusible link. The fan and damper are UL listed together as an assembly for use in wood frame construction, and have been tested for the largest number of truss designs of any manufacturer.
Three part system includes a Housing,
Motor/Blade/Grill and a Ceiling Radiation Damper with a fusible link.
Low profile and durable, all metal grill with a painted white finish almost disappears into the ceiling