The Empire 500mm x 200mm WC unit 800mm high
Includes Nui flushing concealed cistern
so it can be used with taller comfort toilet pans 
It is excellent value & comes to you fully assembled ready to fit the concealed cistern is also supplied with it.
Then choose a back to wall pan to complimebt it
This unit comes depth is 200mm.
*Does not come with toilet pan*