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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Locking screw to hold damper in place
2x4 T-Bar (20" x 44" duct)
accepts 6"-16" collar (collar by others)
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
Adjustable directional dampers with shut-off
Steel Blade Single Deflection Diffuser 931-30X20 Residential Registers & Grilles Locking screw to hold damperStandard 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
