Suzhou Dake JingFeng Pipe Co.LTD is one of the most professional non insulated flex duct manufacturers and suppliers in China . A aluminum foil flexible duct is a great way to connect two sections of flex duct together. They are perfect for those with smaller, more compact needs. The flex duct connector is designed to seal the connection and create a tight seal that will ensure the integrity of the connection.

Link: คลิ๊กที่นี่