Draft Control, 28.3 N Capcty, 5 to 7in dia, Field Controls, Mfr#: 6"RC

5-7 In.dia 6.6 In.H 7.6 In.L SS Barmtc Drft Cntrl, Damper Application Barometric Draft Control, For Nominal Duct Diameter 5 in; 6 in; 7 in, Frame Material Steel, Number of Panels Not Applicable, Maximum Air Velocity Not Applicable, Overall Height 6 5/8 in, Rough Opening Diameter 6 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area Not Applicable, Overall Width 6 5/8 in, Frame Material Thickness 24 ga, Overall Length 7 5/8 in