FSD35OW 1-1/2 hr V-Groove Blade, Out of Wall/Floor Combination Fire/Smoke Damper

The FSD35OW is a 1 1/2 hour UL555 Classified Fire Damper and a UL555S Classified Smoke Damper designed for use in "out of wall or concrete floor" through penetration applications. The FSD35OW Features:
  • Triple Vee Groove Blades
  • Rated for 2,000 fpm and 4" w.g.
  • UL555S Leakage Class III
  • 1 ½ Hour UL555
  • Factory Provided for use "out of wall" or "out of concrete floor"
  • Mounting Angle One Side
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Region availability

North America
United States