4" Horizontal/Vertical Mount Fire Damper 2634-30X12 past 12 months One piece stamped steel frame

One piece stamped steel frame on most common sizes

Face set in an outer T-Bar filter grille frame

2x4 T-Bar (20" x 44" duct)

115T Series Engineering/Performance Data

103 - three way

4" Horizontal/Vertical Mount Fire Damper 2634-30X12 past 12 months One piece stamped steel frameh3. 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