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Countersunk mounting holes with color matching Phillips Pozidriv screws
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
Mounting holes with color matching 2" baseboard Phillips screws
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
4 1/4" Vertical Mount Fire Damper 2633-14X6 Smoke-Fire Damper Countersunk mounting holes with colorh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
