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 157 fits Kero-sun DC-90, OMNI 105 (D) OLD PIN, 0MNI105 (J ,K,L), OMNI 200, Sears 56351750, SC200B Contact us for a free cross reference chart..