2" Vertical Mount Fire Damper 2501-40X6 Residential Registers & Grilles For evaporative cooling or high

For evaporative cooling or high velocity exhaust applications

Plated Metal or Wood Finish available on this product

Install with louvers in up or down position for best duct concealment

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)

2" Vertical Mount Fire Damper 2501-40X6 Residential Registers & Grilles For evaporative cooling or highh3. 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