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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
1 for each end)
Extended sleeve (2751)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)
Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets
4" 3 Hour Vertical Mount Fire Door 2661-40X40 Residential Registers & Grilles 1 for each end)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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