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 171 fits Comfort Glow C22800, Corona 23DK, KW-23, KW-23B, Dyna Glow CV2300,DH145, DH-230, DH-2301,02,03,04, KW-24, RMC 95C(7) Contact us for a free cross reference chart..