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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
Standard Features * Fixed airfoil blades parallel to 1st dimension given *
Ceiling opening must be 4” larger in length and width than the nominal duct size
Steel galvaneal construction
60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws
2" Vertical Mount Fire Damper 2533-28X10 Smoke-Fire Damper Standard Features * Fixed airfoilh3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * 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 90) * Self
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