Tech Drive Duct Increaser and Reducer, 4” to 3” Inline Adapter for HVAC and Exhaust Ventilation Systems, Made from Aluminum

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Tech Drive Duct Increaser and Reducer, 4” to Features

• 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 4 inch (100mm) to 3 inch (75mm) 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.

About Tech Drive Duct Increaser And Reducer, 4” To