4" Round Vertical Mount Fire Damper 2649-16 Residential Registers & Grilles Please contact us for a

Please contact us for a quote on options

1-27/32” x 11/32” slots

Standard Features * Extruded aluminum construction with steel multi-shutter damper * Margin edges are 7/8" projection for baseboard installation * Nylon bushings for easy adjustment and quiet setting of airfoil blades running parallel to shortest dimension * Countersunk mounting holes for flush appearance

12 & 14" * Mill finish

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

4" Round Vertical Mount Fire Damper 2649-16 Residential Registers & Grilles Please contact us for ah3. 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