These beautiful fire pits use our patented Crystal Fire Burner. With just the push of a button, a beautiful glowing fire will appear atop a bed of tempered, tumbled glass. And you can change the look of your crystal fire by adding an optional logset or colored glass. Adjust the flame height to your desired setting and enjoy your warm fire for up to 16 full hours using a standard 20 lb. LP tank. Or hook it up to an LP or natural gas line. Enjoy the magic and ambience of a warm glowing fire today.