Customizable Pipe Reducer Adapter for Exhaust Pipes and Range Hoods, Large and Small End Connector

58mm Funnel Adapter Diameter changing circle Diameter changing ring Duct Reducer Exhaust Pipe Adapter Exhaust pipe interface Funnel 150mm Funnel 200 Funnel 20mm Pipe Pipe 16mm Pipe 50mm Range Hood Range hood cover Reducer Reducing diameter 漏斗