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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Available in 4" through 29" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)
Ceiling opening must be 4” larger in length and width than the nominal duct size
Standard Features *
Nylon bushings on adj
2" Horizontal/Vertical Mount Curtain Fire Damper 2502-40X10 past 12 months Available in 4" through 29"h3. Standard Features * 2501 Square or rectangular for vertical mount only. Maximum dimension 48w, 49h. * 2502 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 36h. * 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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