Draft Control, 50.3 N Capcty, 7 to 9in dia, Field Controls, Mfr#: 8"RC

7-9 In.dia SS Barometric Draft Control, Damper Application Barometric Draft Control, For Nominal Duct Diameter 7 in; 8 in; 9 in, Frame Material Steel, Number of Panels Not Applicable, Maximum Air Velocity Not Applicable, Overall Height 8 3/4 in, Rough Opening Diameter 8 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area Not Applicable, Overall Width 8 3/4 in, Frame Material Thickness 20 ga, Overall Length 11 in, Connection Type Press Fit