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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
57% free area * 1307: 13/16" lattice opening
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
w/ Steel Opposed Blade Damper
Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White
Hinged removable extruded aluminum face frame with signature line marks
3 Hour Out Of Air Fire Door Grille 2663-36X14 T-Bar 57% free area * 1307: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"
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