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AA-HVL Series Engineering/Performance Data
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 14" Duct Opening (front blades parallel to shortest dimension)
855 Series Engineering/Performance Data
Performance Data - No Damper
Steel Blade Double Deflection Diffuser 934-20X4 Step Down Ceiling Diffuser AA-HVL Series Engineering/Performance DataStandard 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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