A dryer that is not cleaned for many years will accumulate many lint Ventilation openings can become narrow or even blocked It can help you effectively clean your dryer vent, making your dryer more efficient and safe Dryer lint vacuum cleaners attachment is designed with a stretch universals connector that can be connecting to most vacuum cleaners Easy to use: Simply connecting the hose to the vacuum cleaners, insert it into the vent and then turn on the vacuum cleaners This multifunctional vacuum accessory has flexible hoses that can easily adapt to narrow ventilation and reach tight or curved corners This long brush is specially designed to clean the dryer lint, and can also be used to clean the refrigerator coils, radiators and other hard to reach places