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904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
Options * 2800 Series - Dynamic Fire Damper * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
screw holes and color matching panhead screws * Standard Color
three or four diffusers per panel * Countersunk sunk screwholes for ceiling mount * Standard Color or Designer Color Finish available on this product
Egg Crate T-Bar Filter Grille 2"
4" 3 Hour Vertical Mount Fire Door 2661-48X34 Accessories 904 - Double Deflection Adjustableh3. 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$ 18.50
US$ 12.00
US$ 700.00
