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parallel to longest dimension
Standard Features * Airflow can be adjusted to 1
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)
MRI Compatible
Lever operated Opposed Blade Damper
Adjustable Curved Blade Diffuser SCB-12X8 Air Pattern:twoway parallel to longest dimensionStandard Features * Individually adjustable steel curved blades * Lever operated steel multi shutter damper * Pivoted steel blades for easy firm positioning * All component parts, rivets, linkage and handle enclosed in valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * SCB41 4 way air pattern * SCB31 3 way air pattern * SCB41 O or SCB31 O steel
