FIELD CONTROLS 8"MG1 Draft Control,50.3 N Capcty,7 to 8in dia
$189.99
8 In.dia SS Barometric Draft Control, Damper Application Barometric Draft Control, For Nominal Duct Diameter 7 in; 8 in, Frame Material Steel, Number of Panels Not Applicable, Maximum Air Velocity Not Applicable, Overall Height 8 3/4 in, Rough...