4" 3 Hour Vertical Mount Fire Door 2661-30X30 T-Bar Standard Features * T-Bar lay-in

Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar

1/2" spacing dual angular louvers

TS Series Submittal

18" or 24" lengths * Soft White Options * Standard Color or Designer Color Finish available on this product

Standard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6"

4" 3 Hour Vertical Mount Fire Door 2661-30X30 T-Bar Standard Features * T-Bar lay-inh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"