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Fits 1x1 ceiling grids (collar size 6"-10")
RS34 Series Engineering/Performance Data
Install with louvers in up or down position for best duct concealment
Aluminum 3 cone T-Bar diffuser with a fixed face
Recommended Minimum Sleeve Thickness for Fire Dampers
4" Round Vertical Mount Fire Damper 2649-44 past 12 months Fits 1x1 ceiling grids (collarh3. 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
