The Morso 3610 can be discribed as "The Monster". This is a large cast iron free standing unit, which produces a massive 14kW of heat, coupled with a burn time that easily exceeds 12 hours. Complete with a large firebox and a multi fuel grate, allowing for both wood and anthracite burning, the 3610 is a clean, environmentally friendly fireplace with over 80% efficiency. A Morso fireplace is an advanced system for burning wood and, used properly, is among the most environmentally friendly heating solutions in the world. Heating output: 14kW Flue Size: 150mm Flue Exit: Top or Rear Dimensions (WxHxD): 742 x 796 x 536mm