The cast iron Contura i1 is available with 3-sided and 4-sided frames. It is compact and sturdy, with a clean, stylish design that feels at home in both modern and traditional homes. It is the perfect choice for everybody who wants the warm, cozy feeling and at the same time save space.Compared to an open fireplace, the Contura 110 and Contura i1 offer more efficient heating. An open fire usually draws more heat from a room than it adds. With Contura 110 and Contura i1 heat is emitted through the glass door. Your heat economy improves, with higher efficiency and more modern combustion technology.