3 Hour Out Of Air Fire Door Grille 2663-30X26 Residential Registers & Grilles Standard Features * For evaporative

Standard Features * For evaporative cooling or high velocity exhaust applications with divided 2-way multi-louver and combination shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White

14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"

055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 905 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Fractional

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 8" Duct Opening  (front blades parallel to shortest dimension)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)

3 Hour Out Of Air Fire Door Grille 2663-30X26 Residential Registers & Grilles Standard Features * For evaporativeh3. 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"