Ashley Wood Circulator. Extra large ash drawer makes maintenace easier. Positive door latch prevents accidental door opening. Cast-iron ash and feed doors with ceramic fiber gaskets. Hinged lift-up great for cooking. Heat output is 45,000 BTUs/hr. heating capacity of 1,200 sq.ft. This wood burning stove has a 6" flue collar and can handle up to a 24" log length.