The Generation can basically also be filled with a converter, but the current Montblanc converters do not fit. Suitable are universal converters of other manufacturers like Pelikan or Faber-Castell, that is, all standard converters without manufacturer-specific cartridge format (e.g. Lamy or Parker). Since the mechanical fit can nevertheless be tight, it is advisable to take the pen to a writing-instrument specialist shop and select a suitable converter on the spot.