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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Available in 4" through 29" round
Countersunk mounting holes for flush appearance
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 10" Duct Opening (front blades parallel to shortest dimension)
BD - field installable Bowtie Damper (available on even sizes 6"-14")
4" Round Horizontal/Vertical Fire Damper 2650-16 Commercial Available in 4" through 29"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
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