Duct Adapter,28 in Dia.Round
1 lb, For Duct Height 8 in, Flange Inner Diameter 8 in, For Duct Width 8 in, Flange Outer Diameter 8 in, Maximum Airflow 6,000 cfm, Inside Diameter 8 in, Number of Holes on Flange Not Applicable, Overall Width 8 in, Bolt Circle Diameter Not Applicable, Minimum Pressure Rating 0.Duct Adapter, For Nominal Duct Diameter 28 in, Inlet Diameter 28 in, Material Polyester, Product Type Duct Adapter, Material Thickness 0.