PVC Pipe Fitting Coupling Schedule 40 White 6-inch Socket Business & Industrial Other Fittings & Adapters bol7.com
Vent Systems 8" inch to 6" inch Duct Reducer Adapter Connector Fitting Pipe Increaser Reducer Cone for HVAC Ventilation Systems, ABS Plastic PVC Pipe 200 to 150 mm - - Amazon.com