2" Round Vertical Mount Fire Damper 2549-14 past 12 months 055 T6 extruded aluminum surface

055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way

For evaporative coolers or central blower systems

22 gauge butterfly style galvanized steel blades

102 P - two way

2" Round Vertical Mount Fire Damper 2549-14 past 12 months 055 T6 extruded aluminum surfaceh3. 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