4 1/4" Vertical Mount Fire Damper 2633-16X8 T-Bar 14 gauge steel construction

14 gauge steel construction

Ceiling opening must be 4” larger in length and width than the nominal duct size

055 T6 extruded aluminum * Five air patterns: 700 CB10 - one way

2" ADC compliant round collar with bead for ease of installation (square sizes only)

with 75% free area Options 14 GA 304 SS Construction 12 GA (

4 1/4" Vertical Mount Fire Damper 2633-16X8 T-Bar 14 gauge steel constructionh3. 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