4" Round Horizontal/Vertical Fire Damper 2650-7 Smoke-Fire Damper 53% free area * 1306:

53% free area * 1306: 3/4" lattice opening

Submittal Drawing

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

CB Series 6X6 REVIT Files

18" or 24" lengths * Soft White Options * Standard Color or Designer Color Finish available on this product

4" Round Horizontal/Vertical Fire Damper 2650-7 Smoke-Fire Damper 53% free area * 1306:h3. 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