2" Round Vertical Mount Fire Damper 2549-24 Smoke-Fire Damper *Note: Ceramic fiber blade insulation

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Nylon bushings on adjustable blades prevent metal on metal rattle

375 Series Submittal

Filter retention tabs

Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size

2" Round Vertical Mount Fire Damper 2549-24 Smoke-Fire Damper *Note: Ceramic fiber blade insulationh3. 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