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 clean lines and 'all flame' configuration of the Flex 42SS means the entire viewing area is dedicated to the eye-catching flame, creating a harmonious blend of traditional style and contemporary design. The XL700 burner delivers a captivating linear flame. With a 1.8 gallons capacity, this elongated ethanol burner has the power to heat up to 538ft2, making it ideal for residential and smaller commercial/hospitality spaces. Efficiency is a key feature of this burner, delivering up to 12 hours of heat generating flame from a single refill.