21st Century"s Fiberglass Kerosene Heater Wicks are made of graphite coated fiberglass, a re-inforced cloth band and the highest quality cotton. Wick Model 116 fits Corona SS-DK, SS-DX, Kerosun MOONLIGHTER, OMNI 15, SUNDOWNER, Northern 3621, Toyostove RB-2 RAINBOW, RAINBOW A, TSC-15, Toyostove TSC -12 and more. Contact us for a free cross reference chart..