The island iii defra approved is the largest stove is the island range with its clean lines and gentle curves it sits well in any style room be it modern or traditional delivering 8 16kw of heat it can take up to 550mm logs with a rated output of 12kw the island iii is ideal for larger sized rooms additional ventalation is required for this stove unless fitted with an external air kit allowing the stove to draw the air directly from the outside this stove is defra approved allowing you t