Increaser, For Nominal Duct Diameter 5 in, Inlet Diameter 4 in, Material Steel, Product Type Universal Adapter, Material Thickness 26 ga, Overall Length 6 in, Maximum Pressure Rating Not Applicable, Weight 1 lb, For Duct Height Not Applicable, Flange Inner Diameter Not Applicable, For Duct Width Not Applicable, Flange Outer Diameter Not Applicable, Maximum Airflow Not Applicable, Inside Diameter 4 in, Number of Holes on Flange Not Applicable, Overall Width 5 1/2 in
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