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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Jamb seals (stainless steel)
with 75% free area Options 14 GA 304 SS Construction 12 GA (
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)
Steel multi-shutter damper
3 Hour Out Of Air Fire Door Grille 2663-30X24 Step Down Ceiling Diffuser Nylon bushings for easy adjustmenth3. 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$ 500.00
US$ 20.35
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US$ 174.25
US$ 500.00
