The Bellfires Corner Bell family of balanced flue gas fires has 8 different models to choose from including the XL. These fires allow you to see the flame from two sides making it an ideal feature for any room. As it is a balanced flue unit, it is therefore suitable for air sealed builds. The range is available with many different options for frames, interior panels, gas type and is even WIFI controlled. Therefore, you can pick and choose options that work best for you.