The leading cause of fires in dryers is due to lint and dust buildup. This product is a must have if you are a homeowner to help reduce drying time, improve dryer performance, and reduce the risk of a fire caused by lint that builds up over time in the dryer duct and vent hood exiting your house. Safety should be your top priority while using this product. The best part is, you can reuse this kit year after year, saving hundreds of dollars on expensive cleaning services.