The practical and beautiful Mountain Oak Ventless Gas Log Set from Monessen is carefully crafted to provide a highly functional and pragmatic source of heat. Unlike a wood fire, the ventless logs generate consistent, controlled heat without flare-ups or die-downs. With three (3) log sizes to choose from, this 5-piece (4-piece with 18-inch log set) ventless gas log set provides radiant heat and an attractive focal point. The log set is inspired by nature and handpainted for incredible realism and life-like detail. With a remarkable 99% efficiency rating, Monessen ventless gas log sets maximize heating operation to provide optimum fuel savings.