Superior - H3148 / 16M42 / 126832 / H4163 - Herringbone pattern - Rear Refractory Panel Used for Lennox Fireplace Models LBC-4324-H, LBR-4324-H & LSO-43H and Superior Fireplace Models LBC-4324-H, LBR-4324-H, UVFC-5000-H & UVFR-5000-H with Part / Catalog #'s 11M77, 11M75, H0304, 066974, 066972, 85L08 & 85L07)