Are you referring to the flue pipe with door option?
We offer a free flue pipe with the stove, this is standard flue pipe with no access door to sweep through. However you can pay a bit extra to have a flue pipe with has a door (access panel) to allow you to sweep through the stove. You are able to remove the baffle plate on the AGA Little Wenlock to give you access to the flue and sweep through the stove.
If you have any other questions please feel free to contact us again.