Draft Control,154 Nominal Capcty,Silver
dia SS Barometric Draft Control, Damper Application Barometric Draft Control, For Nominal Duct Diameter 13 in; 14 in, Frame Material Steel, Number of Panels Not Applicable, Maximum Air Velocity Not Applicable, Overall Height 15 1/2 in, Rough Opening Diameter 14 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area Not Applicable, Overall Width 15 1/2 in, Frame Material Thickness 20 ga, Overall Length 19 1/4 in, Connection Type Press Fit.