1.EASY TO CLEAN: This brush set consists of a total of 6 / 9 / 12 / 15 / 18 nylon rods. The pole is 41 / 61 cm long, easy to dismantle and assemble. According to the actual selection of the corresponding pole length, the chimney can be efficiently cleaned from the bottom to the . 2.REINFORCED POLYESTER FIBER HEAD: The pole and working head are made of reinforced Polyester fiber, which is durable and will not scratch the inner surface of the chimney flue. Suitable for metal flues and brick chimneys of different diameters and shapes. Ensure that it will not loosen in any direction of rotation (clockwise or counterclockwise). Avoid getting stuck in the vent. 3.PROFESSIONALLY USED: The creosote and other debris in the chimney can interfere with proper ventilation and have potential risks. This chimney brush can efficiently remove oil stains in the chimney that may cause a fire, making the use of the chimney safer. 4.CONVENIENT AND QUICK INSTALLATION: Easy to use and operate, connect multiple rods to expand coverage. The rod is flexible and can bend through those difficult flues.