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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Nylon bushings on adjustable blades prevent metal on metal rattle
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U
Holds up to 1" filter
Standard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6"
Steel Blade Double Deflection Diffuser 933-20X12 Damper:Opposed Damper Nylon bushings on adjustable bladesStandard Features * Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Double deflection diffuser * Front blades parallel to longest dimension * Back blades parallel to shortest dimension * All blades adjustable allowing 4 way flow adjustment * Soft White Options * 933 O with recessed screwdriver operated
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