Sure Heat Gas Log sets provide a realistic, natural roaring fire for beautiful ambiance in your home. Our 24" Appalachian Oak log set is not only simple to function and maintain, it"s also environmentally friendly. With no ash, no wood, and no hassle you"ll quickly forget the inconvenient days of burning real wood. Our set contains a Millivolt controlled valve system and is built to work in a vented environment with the standard natural gas fuel supply in your home. This beautifully designed unit uses an innovative U-shaped dual burner to provide a superior and very realistic dancing flame pattern. These golden flames are surrounded by ten highly detailed, hand- painted refractory cement logs traditionally stacked on a tiered grate; which realistically recreates the look of a mature fire. Our 24" Appalachian Oak log set is built to fit in any fireplace with minimum measurements of 28" front width, 15" depth, and 21" back width. Specs include: 60,000BTU"s with better efficiency than your natural wood fire. Please Note: This unit requires an open and working flue.