2" Round Vertical Mount Fire Damper 2549-34 Residential Registers & Grilles Fractional Sizes

Fractional Sizes

Available in 6”–12” collar sizes

Available blade centers at 1/2"

Double deflection transition box mount spiral pipe grille

2" Round Vertical Mount Fire Damper 2549-34 Residential Registers & Grilles Fractional Sizesh3. 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