The Duet is the industry’s most efficient and cleanest burning see-through fireplace. It is EPA tested and approved with very low emissions. The firebox is constructed of high grade stainless steel which allows a quicker heat transfer, more durability and less maintenance. Chimney sweep cap, two heat activated blowers and a variable speed control that promotes the distribution of warm air into the room. Both doors are functional. Sealed ash pan, removeable ash lip, built in BBQ.