Duraflame fire logs provide a robust, convenient and authentic fire experience. Tonight's the night! FireWise®Burns cleaner than wood.Duraflame fire logs light faster and burn more completely than firewood, and because far less material is consumed when burning a fire log, significantly fewer pollutants are emitted than a comparable wood fire.80% less fine particles**75% less carbon monoxide**90% less hazardous air pollutants** Saves treesA Duraflame fire log consumes 80% less material than a comparable 3–4 hour wood fire, and burning fire logs instead of wood results in significantly fewer trees cut down for use as firewood. Fast Lighting—Lights Fully in Less than 5 Min. Burns Cleaner than Wood Burns up to 4 Hours* UL Classification Mark America's #1 Fire Log Brand CSIA Chimney Safety Institute of America Accepted Product™