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Round ceiling radiation butterfly damper
w/ Lever Operated Opposed Blade Damper
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 22" x 18" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Airflow can be adjusted to 1
Steel Blade Single Deflection Diffuser 931-16X16 T-Bar Round ceiling radiation butterfly 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
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US$ 22.00
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