WIKING Mini 2 with Short legs HWAM 2610 Pre heated tertiary air also provides Pre heated tertiary air also provides a further level of combustion from the line of jets higher up on the back wall of the Miro's fire chamber This makes it a rare stove indeed This automatically regulates the supply of combustion air inside the fire chamber for quicker lighting and more economic Construction: Cast iron door and fire chamber base with steel bodywork Flue Outlet: Top or Rear (optional blanking plate required when using rear flue) Flue Diameter 125mm 5" (or 150mm 6" – please specify) Grate Type Flat bed with open close centre grate and ash pan Guarantee: 5 Years Maximum Log Length 280mm 11" approx Standard Colour Matt black