2" Vertical Mount Fire Damper 2533-28X10 Smoke-Fire Damper 60% free area * Soft

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

Extended sleeve (2751)

Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension

Individually welded 14 guage diffusion bars

Ceiling opening must be 4” larger in length and width than the nominal duct size

2" Vertical Mount Fire Damper 2533-28X10 Smoke-Fire Damper 60% free area * Softh3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * UL and California State Fire Marshall approved * 2" thinline frame * 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