Photo 1 of 5 to 6 Inch Duct Adapter - Round Duct Fitting Pipe Increaser/Reducer PVC DWV (Drain, Waste and Vent) Coupling Plastic, White

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Photo 1 of 5 to 6 Inch Duct Adapter - Round Duct Fitting Pipe Increaser/Reducer PVC DWV (Drain, Waste and Vent) Coupling Plastic, WhitePhoto 2 of 5 to 6 Inch Duct Adapter - Round Duct Fitting Pipe Increaser/Reducer PVC DWV (Drain, Waste and Vent) Coupling Plastic, White