Draft Control 28.3 Nominal Capcty

5-7 In.dia 6.5 In.H-W 8 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 1/2 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 1/2 in Frame Material Thickness 24 ga Overall Length 8 in Connection Type Press Fit