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904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 12" Duct Opening (front blades parallel to shortest dimension)
linkage and handle enclosed in valve to assure trouble-free operation
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Options (must specify when ordering)
inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color
Adjustable Diffuser 950-16X14 Finish:Designer Color - Aluminum Paint 904 - Double Deflection AdjustableStandard Features Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern Blades parallel to shortest dimension One piece stamped steel frame on most common sizes, alternate frame is extruded aluminum with signature line marks. Lever operated steel multi shutter damper Designed for ceiling or sidewall applications Nylon bushings on adj. blades prevent metal on metal rattle Countersunk mounting holes for flush appearance with color
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