2" Horizontal/Vertical Mount Fire Damper 2534-24X10 Residential Registers & Grilles Building materials rated 2 hours

Building materials rated 2 hours or less

22 gauge butterfly style galvanized steel blades

available 4" through 40" round (2549)

904 - Double Deflection Adjustable Aluminum Blade Grille for a 16" x 8" Duct Opening   (front blades parallel to shortest dimension)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)

2" Horizontal/Vertical Mount Fire Damper 2534-24X10 Residential Registers & Grilles Building materials rated 2 hoursh3. 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