4" Horizontal/Vertical Mount Fire Damper 2634-36X8 Smoke-Fire Damper 125") Aluminum Construction 12 GA

125") Aluminum Construction 12 GA Steel Construction

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

Adjustable single deflection grille

Available in even sizes 6" to 20" and 24"

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 10" Duct Opening (front blades parallel to shortest dimension)

4" Horizontal/Vertical Mount Fire Damper 2634-36X8 Smoke-Fire Damper 125") Aluminum Construction 12 GAh3. 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