Chimney Cleaning Log Easy to use Reduces creosote thickness Reduces volatile content Non-toxic solution L 4.00 inches x W 12.00 inches x H Chimney Cleaning Log The Chimney Cleaning Log is very useful when it comes to using a fireplace or wood stoves. It is a simple and non-toxic solution for cleaning your chimney while enjoying your fireplace. CSL burns like a standard fireplace log, while simultaneously helps reduce dangerous creosote build-up. Great for fireplaces and woodstoves. The Chimney Cleaning Log contains a mixture of special additives that are dispersed during the process of burning helping to disperse creosote. Features Burns for approximately 90 minutes Easy to use burns like a firelog Non-toxic solution for health & safety Standard size for easy to use