WIKING Miro 3 Lower Door Big Green Egg Racks and Pans 5kW up to 5 5kW up to 5 This existing listing offers Large purely mechanical device which boosts the WIKING Miro 3 Lower Door's supply of primary combustion air when lighting and refuelling and at the end of the burn cycle to help keep the fire chamber hotter so that more particulates are burned off 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 150mm 6" 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