Remote Motorzed Balancng Damper 10 in dia For Nominal Duct Diameter 10 in Damper Application Balancing Number of Panels 1 Overall Height Not Applicable Overall Length 6 3/8 in Rough Opening Shape Round For Duct Shape Round Overall Width Not Applicable Frame Material Thickness 20 ga Blade Material Galvanized Steel Maximum Air Pressure 1 in wg Overall Diameter 9 7/8 in Rough Opening Length Not Applicable Rough Opening Width 10 in Damper Type Not Applicable