Save money: High cleaning efficiency and remarkable effect,saving your manual cleaning costs. Applicable to a variety of cleaning scenarios: This product is used to clean various pipes,fireplaces,chimneys,fume hoods,dryers,etc.to solve all hygiene problems. High-quality material: The connecting pipe is made of polymer material and high-hardness alloy,which is corrosion-resistant,soft and not easy to break. Suitable for cleaning elbows. The interface is smooth and easy to assemble. Extra Long Brush: Equipped with a long brush,it can easily clean small pipes and small crevices. EASY: With the electric drill,the self-cleaning mode can be changed in seconds. Duct Vent Cleaning Kit with 18 Nylon Sticks 2 Brush Tips 1 Drill Adapter 1 Long Brush