Does the mini converter fit the Liliput pen?
These "Mini converter" does not fit the Liliput pens - it is too long when the piston is pulled out.
For Liliput pens you need to use the Kaweco's "Squeeze" converter to fill your pen with bottled ink. These can be found here:
https://www.thepencompany.com/product/kaweco-squeeze-fountain-pen-converter/12777/