The Isokern Maximus Traditional 48" Gas Burning Fireplace combines the timeless look of a classic masonry fireplace with the convenience and efficiency of gas. Its 48" opening provides a bold flame view with the charm of traditional styling. 48" traditional-style firebox design Gas-ready for natural gas or propane burners Modular pumice construction for insulation and strength Custom firebrick liner options available Necessary Items (Sold Separately) Venting/chimney system for indoor installs