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904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 30" Duct Opening (front blades parallel to shortest dimension)
Heavy Duty Construction (1 1/2" frame depth utilized)
Countersunk mounting holes for flush appearance
Square to round 2" collar with roll formed retention bead
Steel Blade Single Deflection Diffuser 931-30X4 Finish:Designer Color - Cement Gray 904 - Double Deflection AdjustableStandard 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 * Single deflection diffuser with adjustable steel blades * Steel blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 931 O with recessed screwdriver operated opposed blade damper * 1331 and
