Peterson Real Fyre 18-inch Southern Oak Log Set With Vented Burner (Natural Gas Only) Peterson Real Fyre gas logs are meticulously hand painted to re-create the look of natural wood Superior refractory ceramic logs are reinforced with steel rods for greater integrity Efficient design helps preserve and protect natural resources This Peterson Real Fyre gas log set is designed for indoor use only Peterson Real Fyre gas log sets are proudly made in the USA