2" Vertical Mount Fire Damper 2533-36X8 past 12 months Airfoil blades individually adjustable on

Airfoil blades individually adjustable on 3/4" centers

Hinged removable door with hinges parallel to the longest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

Standard Features * Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Double deflection diffuser * Front blades parallel to longest dimension * Back blades parallel to shortest dimension * All blades adjustable allowing 4-way flow adjustment * Soft White Options * 933 O - with recessed screwdriver operated opposed blade damper * 1333 and 1334 Series - stainless steel double deflection * Tamper proof screws * Standard Color or Design Color available on this product

Reinforced welded core and extra supports for heavy duty application

2" Vertical Mount Fire Damper 2533-36X8 past 12 months Airfoil blades individually adjustable onh3. 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