Sure Heat BRO18NG Sure Heat Burnt River Oak Vented Gas Log Set, 18-Inch, Natural Gas 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, Pan, Grate, Shale, Glowing Embers and connection hardware. This is a match-light style vented unit. On/Off valve not included. 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 28" front width; 15" Depth and 21" back width Requires an open and working flue