2" Vertical Mount Fire Damper 2533-18X8 Commercial Extruded aluminum surface mount frame

Extruded aluminum surface mount frame with signature line marks

Blades are parallel to the longest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)

3-way register with stiffened 1/2" fan shaped louvers for silent operation

Standard Features * Extruded aluminum construction with steel multi-shutter damper * Margin edges are 7/8" projection for baseboard installation * Nylon bushings for easy adjustment and quiet setting of airfoil blades running parallel to shortest dimension * Countersunk mounting holes for flush appearance

2" Vertical Mount Fire Damper 2533-18X8 Commercial Extruded aluminum surface mount frameh3. 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