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...
5-7 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...