Photo 1 of PATIKIL 10" to 6" Duct Reducer, PVC Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting for DWV (Drain, Waste and Vent) Ventilation Ducting, White

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Photo 1 of PATIKIL 10" to 6" Duct Reducer, PVC Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting for DWV (Drain, Waste and Vent) Ventilation Ducting, WhitePhoto 2 of PATIKIL 10" to 6" Duct Reducer, PVC Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting for DWV (Drain, Waste and Vent) Ventilation Ducting, White