Lennox - 12M22 with H6823 door track kit 38LBF-BS - 38" Solid Ribbed Extruded Doors - Brushed Stainless - Used for Superior fireplace models: LBC3824 LBC-3824 LBC3824-H LBC-3824-H LBR3824 LBR3824-H LBR-3824 LBR-3824-H - Part # / Catalog #: 066973, 042801, 066971 and 02803 - manufactured before August 2000