【VERSATILITY】: The dryer ventilation hole cleaning kit includes18(40*1cm) flexible rods. Our ma diameter 10 mm dryer channel cleaning kit. They can also be used with air conditioning ducts and pellet stove pipes. They work great with PVC, flexible channels, metal and pipes and provide results quickly. 【USE IN LARGER SPACES】: The rods included in our set are extremely durable, flexible and bend with little or no effort. To use at sharp angles, attach the unthreaded part of the extension rods directly to the drill, just like a regular drill. Keep the brush spinning at low speed and use constant, light pressure to help the brush around the corners of the vent. 【EASY TO USE】: Our dryer duct cleaning kits can be used indoors or with outdoor vents. Just disconnect the pipe from the dryer and from the wall (the connection is usually just behind the dryer); the kit can be used in conjunction with a drill. Always use the drill in a clockwise direction to prevent the rods from unscrewing on threaded connections. If necessary, add extension rods and secure them with duct tape. It is durable and effective. 【SAFETY AND EFFICIENCY】: Every year there are more than thousands of dryer fires. Help protect your family and your home with our dryer channel cleaning kit. With our cleaning kit, you can remove dangerous accumulated lint with ease. In addition to preventing dryer fires, this will also shorten the drying time and extend the life of the dryer. 【Material】 Our chimney cleaning kit is made of nylon material, which is characterized by high temperature resistance, aging resistance and corrosion resistance, which increases the whipping efficiency. 【Effective cleaning】 Compared to conventional cleaning, our chimney cleaning brush set cleans more effectively, removes more dirt and handles all stainless steel fume cupboards and cladding much more gently. 【Removable】 It can connect multiple poles to unfold the cover, which can be easily disassembled and mounted. The package includes: 1 * CHIMNEY CLEANING SET