Rutland Kwik-Shot Soot Remover (Pack of 12)This three pack of Kwik Shot Soot Stopper canisters just need to be tossed on the fire to control soot build up in everything from free burning fireplaces and non airtight stoves to oil furnaces and boilers. Using this once per week will clean out existing soot and prevents further deposits from forming. Regular use increases safety and efficiency of your heating appliance giving you peace of mind. Canisters are made of safe to burn material and turn