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Opposed Blade Damper standard on 4" widths
Standard Features * Cones are one-piece stamped construction providing a clean
904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
Countersunk mounting holes for flush appearance with color matching screws
Steel Blade Single Deflection Diffuser 932-20X6 Damper:Opposed Damper Opposed Blade Damper standard onStandard 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 shortest dimension * Allows 2 way air deflection on one plane * Soft White Options * 932 O with recessed screwdriver operated opposed blade damper * 1331
Garden Hand Tools & Equipment > Lawn Aerators" loading="lazy"/>
