Increaser, For Nominal Duct Diameter 4 in, Inlet Diameter 3 in, Material Steel, Product Type Universal Adapter, Material Thickness 26 ga, Overall Length 6 in, Maximum Pressure Rating Not Applicable, Weight 0.72 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 3 in, Number of Holes on Flange Not Applicable, Overall Width 4 in
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