4" Round Vertical Mount Fire Damper 2649-16 Residential Registers & Grilles with 75% free area Options

with 75% free area Options 14 GA 304 SS Construction 12 GA (

floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application

Standard Features * Round 1-1/2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link

and 2x4 panels * Soft White

* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount

4" Round Vertical Mount Fire Damper 2649-16 Residential Registers & Grilles with 75% free area Optionsh3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self locking