Steel Blade Single Deflection Diffuser 931-30X20 Residential Registers & Grilles Standard Features * 1/2" spacing

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * Tamper proof screws * Standard Color

Holds up to 1" filter

Locking screw to hold damper in place

14" and 16" * Perforated face with concealed hinges * 2x2 galvaneal steel panel with seismic support hangers * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14") * 780 OR - factory installed opposed radial damper (sizes 6"-14") * 780 FR - U

375 Series Submittal

Steel Blade Single Deflection Diffuser 931-30X20 Residential Registers & Grilles Standard Features * 1/2" spacingStandard 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