Field Controls 16M+MG2 Oil/Gas Appliance Draft Control

Oil/Gas Appliance Draft Control; Type Draft Control; Used On Commercial/Industrial Oil/Gas/Solid Fuel Appliance; Overall Dimension 17-1/2 Inch Outer Diameter; Control Size 16 Inch; Nominal Capacity 201 Square Inch; Circumference 47 to 50-1/4 Inch; Material Thickness 18 Gauge (Ring), 16 Gauge (Gate), 20 Gauge (Collar); Approval UL (Canada and US)