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stair risers
904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6"
Performance Data With Opposed Blade Damper
14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U
Steel Blade Double Deflection Diffuser 934-14X4 Finish:Driftwood Tan stair risersStandard 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 shortest dimension * Back blades parallel to longest dimension * All blades adjustable allowing 4 way flow adjustment * Soft White Options * 934 O with recessed screwdriver operated opposed
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