With an expansive viewable opening of 39" wide by 21" tall and a 3 sided configuration, very little stands between the most perfect fire and your favorite lounge chair. The Summum gas fireplace series comes standard with the Real Flame Burner System. This innovative burner solution creates the most realistic flame patterns available today as the burners are specially designed to wrap your flames around a detailed log set, just as you would see in a real wood-burning fire.