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1/2" spacing dual angular louvers for strength and maximum free area
Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern
to 23 29/32"
855 Series Engineering/Performance Data
2" Round Vertical Mount Fire Damper 2549-18 Step Down Ceiling Diffuser 1/2" spacing dual angular louversh3. Standard Features * 1 1 2 hour rated fire damper * 2549 Round damper for vertical mount only. Available 4" thru 40" round. * 2550 Round Spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 28" round. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G
US$ 197.50
US$ 940.00
US$ 166.00
