The cast iron Brunel range comes in 3 sizes. The 4kW max output 1a, 6Kw 2CB and the 7kW 3CB. A variety of finishes of matt black or enamel colours is available and efficiency can reach an impressive 84%. All are multifuel stoves which represent remarkable value for the performance levels and all have the airwash system for a clear view of the fire. Flue sizes are 5 & 6 inch. The photos show all 3 models.