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 142 fits Comfort Glow GC1(XA), GC 19(B), Koehring KCM 200, KCM200A, Panasonic OS-54CX3, Sears 56403050, 56403090, 56403110, 56403140, 56404040 Contact us for a free cross reference chart..