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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Maximum single section size 24"x24"
055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes
3/16” holes on 1/4” staggered centers
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w
3 Hour Out Of Air Fire Door Grille 2663-48X34 T-Bar Maximum single section size 24"x24"h3. 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"
