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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
All steel parts with galvanized finish or zinc coating
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 8" Duct Opening (front blades parallel to shortest dimension)
57% free area * 1307: 13/16" lattice opening
For damper free area chart A click here * 2563 - Out-of-Airstream fire door
* 2602 - Square or rectangular spring actuated (6) for horizontal or vertical mount
3 Hour Out Of Air Fire Door Grille 2663-8X8 Residential Registers & Grilles All steel parts with galvanizedh3. 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"
US$ 10.00
US$ 10.00
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US$ 11.68
US$ 22.18
