Lennox - H2710 / LB-97214 / 88L58 - Back Refractory Panel - Used for Lennox Fireplace Models LMBV-and Superior Fireplace Models BBV-36REN, BBV-36REP, BBV-36RMN, BBV-36RMP, UVFC-500 & UVFR-500 (Part / Catalog #'s 66L38, 66L39, 66L36, 66L37, 85L02 & 85L01)