Superior Fireplaces 18-inch Rugged Stack Logs, Concrete LTF18RSSuperior Fireplaces 18 inch Rugged Stack Logs, Concrete LTF18RS THE TRIPLE FLAME Series features a unique triple burner and glowing ember bed at its base to achieve the look of a real wood fire. Flickering embers are achieved through the implementation of two unique technologies and the burner offers the distinctive feature of an additional row of flames behind the logs. The result is a striking appearance with a very deep flame pattern. All models