Photo 1 of 12" to 6" Duct Reducer - Round Reducer - Duct Fitting - Pipe Increaser Reducer - Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (12 to 6 Inch)

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Photo 1 of 12" to 6" Duct Reducer - Round Reducer - Duct Fitting - Pipe Increaser Reducer - Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (12 to 6 Inch)