Tech Drive Duct Increaser and Reducer, 6 inch to 4 inch Inline Adapter for Heating Ventilation and Air Conditioning and Exhaust Ventilation Systems, Made from Aluminum.
- It's use to Connector two different size duct, used for Heating Ventilation and Air Conditioning system duct work in any building or home improvement..
- Designed to transition between 6 inch (150mm) to 4 inch (100mm) diameter ducts..
- Easy installation, using duct tape or duct clamps to connect air duct adapter..
- Made of aluminum metal that is corrosion resistant and can withstand high temperatures. it's can be prevent corrosion and oxidation,rust moisture and reduces fire hazards..
- Ideal for ducting your Tumble Dryer, Bathroom or Kitchen exhaust fan, In-Line Fans, or Cooker Hood..