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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"
Surface mount fixed blade grille with airfoil blades at 0°
Steel Blade Double Deflection Diffuser 934-24X20 past 12 months Standard Features * Steel galvanealStandard 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
