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