8 Highly detailed, hand painted refractory cement logs stacked on a tiered grate realistically recreate the look of a mature fire in your fireplace * Equipped with an innovative u-shaped dual burner and a manual valve system that works with Natural Gas fuel * High Performance embers glow twice as bright as standard embers for the look of a realistic wood burning fire * Fits all fireplaces with minimum dimensions of 32" front width; 15" Depth and 24" back width * Requires an open and working flue