Peterson Real Fyre gas logs are meticulously hand painted to re-create the look of natural wood Superior refractory ceramic logs are reinforced with steel rods for greater integrity Efficient design helps preserve and protect natural resources Designed to be used with vented gas log systems Burner system not included and must be selected separately Peterson Real Fyre 18-Inch Coastal Driftwood Gas Logs (Logs Only - Burner Not Included). CDR-18. Gas Logs Only. Peterson Real Fyre Classic Series Gas Logs have withstood the test of time with traditional favorites, like the Coastal Driftwood, and by utilizing the most innovative technologies to help safeguard the environment. Their attention to log detail, log texture and flame presentation produce elegant displays that fill any room with comfort and beauty. These Peterson Real Fyre Logs can be used with commonly available fire pit ring burners. Allow a minimum of 3-6 inches of clearance from the edge of logs to the wall of fire pit. Total number of pieces: 4. All logs have a flat, unfinished back or bottom. For use with vented gas log systems. This log set does not include a burner system. It must be purchased separately.