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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Zinc plated steel closure spring
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Designed for high volume air delivery
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
Steel Blade Single Deflection Diffuser 931-18X20 Finish:Designer Color - Velvet Black Standard Features * Single plaqueStandard 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
