SmartBurn Chimney Flue Cleaning TubeDissolves existing creosote accumulations and prevents further build ups Reduces wood smoke particulate emissions by up to 54% Cleans the heater glass window Improves the combustion efficiency of your heater providing up to 17% more value from wood Effective for up to 3 months of continuous use The SmartBurn device makes cleaning your chimney flue simple and stress free! It contains a mixture of natural, non toxic and non corrosive ingredients which