The 6 inch pipes clip in fairly easily with this industrial pipe corner allowing you to have a tight turn. Measures 9 inches each way (23cm)
Please ask for us to add a small piece of pipe (6 inch, 3 in , 3 out) to connect to the door if in a tight space.
It is a permanent fixing so we suggest you have a small section of pipe inserted in each end to join to longer pipe if you wish to easily take it apart one day. It would still be possible to clean with two pipes connected but for ultimate flexibility choose the mesh junction box or the clear junction box.