150mm to 100mm Duct Reducer 6 to 4 Inch Vent Pipe Connector Round Adapter
Duct reducer designed to connect 150mm ducting to 100mm systems. 150mm to 100mm Duct Reducer. 1 x 150mm to 100mm Duct Reducer. 150mm to 100mm size reduction (6" to 4"). Compatible with round ducting systems.