Rutland 100S 3 Oz Kiwk-Shot Soot StopperRutland 100S 3 Oz Kiwk-Shot Soot Stopper, Features; Creosote remover; Easy to use, toss-in stick that controls soot build up in free burning fireplaces, non airtight stoves and oil fired furnaces and boilers; No measuring required; Makes colorful flames; 3 oz tube