Why dryer vent brush ? Clean dryer lint/ducts from inside the home to outside Remove lint easily to reduce fire hazards Reduce consumption of electric power Help to prevent fire from lint/dust buildup Unique helical brush head design for great efficiency and saves energy . This efficient dryer vent brush can be used with or without a power drill and will help you achieve professional results. Removing lint buildup from your dryer duct helps reduce drying time and improve dryer performance, while extending the life of your dryer. Thoroughly Remove All Excess Lint With the use of our dryer duct cleaning kit, you will be able to clean the lint out of your dryer ducts. You will be amazed by the amount of lint that you find behind your dryer. This lint build-up can cause slower drying times, overheating, and even fire hazards. Use the duct cleaner indoor or outdoors. Attaching Dryer Duct to Power Drill: If you would like to attach the dryer lint brush to a drill it connects just like a regular drill bit, here are a few easy steps to help you: This method can be used in tight angles, simply use the drill on a low speed while using easy, steady pressure About the product 1.This dryer vent brush can be used with a power drill or manually. 2.Prevent dryer fires by removing lint buildup in clothes dryers. 3This flexible dryer duct cleaning kit will not scratch the inner surface of the dryer vent.Flexible reinforced nylon rods allow for up to 90 deg (degree) turns. High Quality Nylon Bristle 1.Reinforced high quality nylon bristle 2.Muiti-layer arrayed, more efficient 2.High density materials, stiff & sturdy 3.Hard wearing and long lifespan Mechanical Button Lock Design 1.Easy to use, push and lock, press and release 2.Chrome coated & anti-corrosion 3.Avoid getting stuck in the vent 4.No loose during any direction of rotation d5.irection punched fixation firmly and sturdy