4" Round Horizontal/Vertical Fire Damper 2650-32 Smoke-Fire Damper Individually welded 14 guage diffusion

Individually welded 14 guage diffusion bars

Stamped steel face with roll formed frame

Product sizes available to fit spiral pipe diameter 8” – 48

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60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws

4" Round Horizontal/Vertical Fire Damper 2650-32 Smoke-Fire Damper Individually welded 14 guage diffusionh3. 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