Dura flame flue-renew firelogs contain Rutland's Safe-T-Flue Chimney Cleaner for regular maintenance to turn creosote and soot into a brush able ash. Features Easily reduce soot and creosote buildup in your chimney Light in your fireplace and let the log do the work for you Helps to keep your chimney safe and clean all year long Safe for all stoves and fireplaces Best for masonry flues Duraflame FLUE-RENEW Chimney Cleaner Maintenance Fire Log SOOT CREOSOTE REMOVER. Condition is New. Shipping is only to the lower 48 states, USA. But... If you are outside the USA you may purchase if your country participates in's Global Shipping Program. We are Experienced sellers for over twenty ( 20 ) years. Preguntas? Hablamos Español.