2" Horizontal/Vertical Mount Curtain Fire Damper 2502-32X8 Commercial Standard Features * Return air

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

and 2x4 panels * Soft White

Check out the All About Spirals page

1” rim size (2” larger than nominal duct size / order size)

2" Horizontal/Vertical Mount Curtain Fire Damper 2502-32X8 Commercial Standard Features * Return airh3. 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