2" Vertical Mount Fire Damper 2501-24X20 past 12 months Non-standard size collar (available in

Non-standard size collar (available in 6" through 20")

Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"

Concealed mounting holes

Standard Features * Flush modular curved blade T-Bar diffuser * Curved blade cores sit flush with face for more uniform air flow * Movable cores provide multiple fixed air patterns * 6x6 thru 14x14 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700MCB O - opposed blade damper * TVB - Thermal Vapor Blanket * Square collar

accepts 6"-16" collar (collar by others)

2" Vertical Mount Fire Damper 2501-24X20 past 12 months Non-standard size collar (available inh3. 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