Completely made of gray cast iron, there are heat-resistant (German Schott Robax) ceramic glasses in its front and sides and complete sealing is provided in the stove by using fireproof gasket. The grate of the stove burning chamber is made of extra high-strength casting (ggg 40). Sfero cast windshield special design ventilation system prevents tarnishing and malleation. Thanks to its rear special air balance system, an efficient burning is enabled prior to first burning and during the last burning in order to burn the remnants emerged during smoking and last burning by getting rid of dead carbon gases from the first woods. With this system, minimum fuel is used in the stove and maximum efficiency is obtained. Thanks to side windowed lid, throwing wood during burning gets easier and having glass on both sides gives extra aesthetics. Coal can also be used as fuel. Thanks to the 3 mm chrome hinges, the lid does not release over time, and thanks to the special lid that opens 105 degrees to the left, comfortable use is ensured. The specially designed wooden handles on the stove allow you to open and close the oven and the bottom cover easily without burning your hand during combustion. Chimney Pipe Size: 5,9. Heating Area: 58.000 BTU. Size of the chimney outlet: 5. Size of the front glass: 15 ” x 10 “. Size of the side lid glass: 9 ” x 11 “.