PATIKIL Ducting Reducer 150mm to 100mm, 6 to 4 Inch Metal Air Ducting Connect Round Duct Pipe or Extractor Fans Reducer HVAC Dryer Vent Chimney

Outer Diameter: 150 x 100 mm / 5.91 x 3.94 inch (Big*Small); Size: 120 x 0.6 mm / 4.7 x 0.02 inch (Height*Thickness)
Good Material: The duct reducer connector adapter is made of galvanized iron sheet, which is not easy to rust, is corrosion-resistant, durable, strong, and thick enough for the ducting system. The surface of the zinc coating is smooth and shiny, without burrs, ensuring a good ventilation effect.
Duct Reducer and Increaser: The vent reducer increaser is used as a duct adapter for reducing or increasing the diameters of an air duct, it's a useful duct fitting for changing your duct system to the needed size while maintaining smooth airflow.
Easy to Install: Connect the duct reducer to a metal duct, vent hose, fan outlet, or inlet, use a pipe clamp, glue, or tape to secure the connection if needed.
Application: The duct adapter has a wide range of applications, it is suitable for all kinds of ventilation systems, such as HVAC systems, bathroom and kitchen ex