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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
CSFM California State Fire Marshal listed
Locking screw to hold damper in place
Smoke Test and More Information on MA Series Diffusers
Countersunk mounting holes with color matching Phillips Pozidriv screws
4" Round Vertical Mount Fire Damper 2649-22 Smoke-Fire Damper CSFM California State Fire Marshalh3. 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
US$ 13.59
US$ 106.92
US$ 127.50
