Specifically designed for a single room application, the Flex Single Sided Fireplace Insert features one open side, enabling the flame to be viewed from the front. The bioethanol, true zero-clearance fireplace can be used to create a striking addition to a feature wall, integrated within cabinetry or a fireplace setting - whether in a residential dining room, indoor or outdoor living area, or commercial spaces. The Flex 86SS.BX2 includes a design that features Decorative Boxes on either side of the firebox. This 2 Box-design boasts an attractive visual symmetry while the glass panels that divide the Decorative Boxes and the Firebox create an uninterrupted, streamlined look. One of the most popular of the XL Series burners, the XL900 burner delivers a stunning linear flame. With a 2.4 gallons capacity, this elongated burner can heat up to 646ft2, making it ideal for larger residential and hospitality spaces such as open plan restaurants and bars or hotel lobby areas. Efficiency is a key feature of this burner, delivering up to 13 hours of heat generating flame from a single refill.