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 113 fits Kero-sun RAO 38, RAO 100, SUNSTREAM, Sears 56352110, Toyostove RC-37{C), RC-41 , RCA·36(F), Toyoset by Kerosun RADIANT100, and more. Contact us for a free cross reference chart..