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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
375 Series Submittal
Building materials rated 2 hours or less
Louvers will be Parallel to the First Dimension
Nylon bushings on adjustable blades prevent metal on metal rattle
Stamped from cold roll steel
2" Round Vertical Mount Fire Damper 2549-24 Smoke-Fire Damper 375 Series Submittalh3. 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
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