The Evening Fyre, Evening Fyre Charred and the Evening Fyre Split log sets are featured on the advanced G18 vent-free burner system. The logs are sculpted and hand-painted with distinctive charring on the front log, mimicking a wood fire. The dramatic ember bed with Bryte Coals, add to the warmth and beauty of the log set. The G18 Series is available for Natural or Propane gas in 16/18 inch and 24/30 inch sets, with variable British Thermal Unit (BTU) ratings from 25,000 to 38,000 for Natural Gas or Propane Gas. See-thru sets are also available in 16/18 inch and 24 inch sizes.