1. Nylon brush material: The chimney brush is made of high-quality nylon. The bristles are closely spaced, durable, and can effectively improve work efficiency. 2. Connecting tube material: The connecting tube of the chimney cleaning brush is made of polymer materials and high-hardness alloys. It is corrosion-resistant, flexible, and not easy to break. It is suitable for cleaning curved pipes. The interface is smooth and easy to assemble. 3. Six connecting rods: There are six flexible 610mm and 100mm brush head rods, which are easy to assemble and disassemble. You can connect multiple rods to meet your wider needs. The rods are flexible and can perfectly pass through hard chimney arches. 4. Wide range of uses: The adjustable chimney cleaning brush set is used to clean hoods, pellet stoves, ventilation ducts, gutters, pipes, etc. All sanitation problems can be solved. 5. Can be used with an electric drill: Due to its strong rotational force, the bristles of the chimney brush can even remove the most stubborn deposits in the chimney. It helps prevent fires.