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904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)
Install with louvers in up or down position for best duct concealment
All steel parts with galvanized finish or zinc coating
Countersunk mounting holes for flush appearance with stainless sheet metal screws
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 10" Duct Opening (front blades parallel to shortest dimension)
Aluminum Airfoil Blade Single Deflection Diffuser 901-48X10 Accessories 904 - Double Deflection AdjustableStandard Features * Extruded aluminum (. 055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 901 O with recessed screwdriver
