2" Vertical Mount Fire Damper 2533-48X18 Accessories Standard Features * 1/2" spaced

Standard Features * 1/2" spaced vision-proof dual angular louvers for strength and maximum free area * Margin edges are 7/8" projection for baseboard installation * Soft White with color matching screws Options * 1133 - 1/3" spaced dual angular louvers * 1175 - added mullion stiffeners for greater strength * Standard Color

Available 4" thru 28" round

Airfoil blades individually adjustable on 3/4" centers

57% free area * 1307: 13/16" lattice opening

2" Vertical Mount Fire Damper 2533-48X18 Accessories Standard Features * 1/2" spacedh3. 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