Superior Vent-Free Concrete Log Systems Mega-Flame SeriesTHE MEGA FLAME Series boasts a triple burner to achieve the look of a real wood fire! The burner is cantilevered to produce tall flames that will not be dwarfed by its massive 19 high logs, the tallest in the industry. The MEGA FLAME Series features two burners of bright yellow flames, plus a lower burner that creates a glowing ember bed. All models are heater rated with 99% heat efficiency and include a wood burning grate appearance. Features