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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Blades are parallel to the shortest dimension
Available 4" thru 52" round
Ceiling opening must be 4” larger in length and width than the nominal duct size
Plated Metal or Wood Finish available on this product
Narrow ceiling grid dimples for 9/16" T-Rails
4" Horizontal/Vertical Mount Fire Damper 2634-40X6 Smoke-Fire Damper Blades are parallel to theh3. 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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