Steel Catalytic Combustor for LOPI Fireplace Xtrordinair Wood Stoves by Travis Industries Made in the USA by Condar, the "Combustor Experts." For Fireplace Xtrordinair models FPX36 Elite and FPX44 Elite. Measures 18" long X 3.6" wide X 3" thick. Lower "light-off" temperature. Engage your draft bypass at 100 lower temperature than with ceramic honeycomb. Steel heats up faster than ceramic. Recovers more usable heat from wood smoke. Sharp steel edges cut ash as it goes up the flue. Better air flow, less cleaning maintenance.