Prevention of Fire Risk - Long-term unclean cleaning of lint in the dryer ventilation duct not only affect the performance of the dryer, but also pose a safety hazard. It is necessary to use this brush for simple cleaning, which can prevent you house at risk of fire Ease of Use - Cleaning your dryer is no longer a time-consuming and laborious hassle. You only need to use this brush to scrape off the lint or dust accumulated in the vent. Dirt be pulled out with the brush More Uses - This brush can be used as kinds of cleaning brushes in life, not only can be used to clean dust and pet hair under furniture and appliances, but also can help you clean hard-to-reach corners such as bookshelves Clean Built-up Lint: Use this brush to help clean residual lint and dust from the dryer filter and dryer vent, reducing lint build-up to improve dryer performance Brush Dimensions - Comfortable wooden handle, long, flexible stainless steel wire shaft, sturdy. Package with 2 brushes that you can arrange it reasonably for different uses