2" Vertical Mount Fire Damper 2501-28X6 past 12 months 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 22" x 18" Duct Opening (front blades parallel to shortest dimension)

Standard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in

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SD52 Submittal Drawing

Margin edges are 7/8" projection for baseboard installation

2" Vertical Mount Fire Damper 2501-28X6 past 12 months 904 - Double Deflection Adjustableh3. 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