U900 By Regency Features: Clean contemporary lines Ceramic burner with glowing linear ember-bed and logs Electronic Ignition Natural Gas or Propane Specifications: Maximum BTU 34,000 31,500 Turn Down BTU 23,500 25,000 Efficiency 73.31% 73.77% EnerGuide Rating 68.28% 69.49% View Area 457 sq.in. Room Size Large Vent Type Direct Vent Vent Size (Air Intake) 6-5/8" Vent Size (Exhaust) 4" script-header-text: script-footer-text: Price: $0.00 Updating cart...