4" Horizontal/Vertical Mount Fire Damper 2634-26X12 T-Bar Check out the All About

Check out the All About Spirals page

Hinged perforated face with screwdriver access to release

All component parts

w/ Steel Opposed Blade Damper

Holds up to a 1" filter (not included) with filter retention tabs (FG1)

4" Horizontal/Vertical Mount Fire Damper 2634-26X12 T-Bar Check out the All Abouth3. 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