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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Face set in an outer T-Bar filter grille frame
Standard Features * Adjustable curved blade
All steel construction
Step down core designed for 4-way uniform air distribution
Available 6
3 Hour Out Of Air Fire Door Grille 2663-36X32 Residential Registers & Grilles Face set in an outerh3. 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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