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* 2502 - Square or rectangular spring actuated (6) for horizontal or vertical mount
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening (front blades parallel to shortest dimension)
916 Series Submittal
AA-HVL Series Submittal
1x2 T-Bar (8" x 20" duct)
2" Vertical Mount Fire Damper 2501-48X16 Smoke-Fire Damper * 2502 - Square orh3. 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
