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2750 Series Submittal
Nylon bushings on adjustable blades to prevent metal on metal rattle
Low profile design for tight mechanical areas
Designer Color or Plated Metal Finish available on this product
Fractional
4 1/4" Vertical Mount Fire Damper 2633-30X24 Accessories 2750 Series Submittalh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
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