2" Vertical Mount Fire Damper 2501-40X40 T-Bar 2" ADC compliant round collar

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

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

Standard Features * Adjustable curved blade

102 PC - corner

14 gauge steel construction

2" Vertical Mount Fire Damper 2501-40X40 T-Bar 2" ADC compliant round collarh3. 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