2" Horizontal/Vertical Mount Curtain Fire Damper 2502-40X6 Commercial 60% free area * Soft

60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening  (front blades parallel to shortest dimension)

4-way flush step down steel diffuser

One piece curved frame with gasket fits flush to spiral pipe

Lever operated Multi-Shutter Damper

2" Horizontal/Vertical Mount Curtain Fire Damper 2502-40X6 Commercial 60% free area * Softh3. 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