The FSD60-2OW 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. The FSD60-2OW Features:
- Airfoil Blades
- Rated to 2,000 fpm and 4" w.g.
- UL555S Leakage Class II
- 1 1/2 Hour UL555
- Factory Provided Insulation
- Mounting Angle One Side
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