Replacement Wick fits many popular radiant (square) style kerosene heaters. 85 mm Dia. Fits DuraHeat DH1000-1011, DynaGlo CT1100, RMC55, Envirotemp 30462, 30471, 30492, 31494, 31495, KeroHeat CT1100 (F), SCT1100, Kero-Sun Omni 85 (D-H), Radiant 8, 10 (A-M). Annual wick replacement insures a cleaner burning, more efficient and safer to use kerosene heater.