Klean-Strip Klean-Heat odorless heater fuel. The perfect choice to use in place of K1 kerosene in kerosene burning appliances such as heaters, lamps, and stoves. This premium fuel is safer and more convenient to store than kerosene. It contains less sulfur and aromatics so it has No kerosene odor before, during, and after burning. The clear formula burns clean to extend the life of your wick and limit smoke, soot, and emissions. Klean-Heat is the superior choice for safe and odorless warmth this season. Meets or exceeds all K1 kerosene specifications.