This converter allows you to use bottled ink with your LAMY cartridge pen, instead of using ink cartridges.
Z28 - Compatible with the LAMY AL-Star, Joy, LX, Nexx, Safari, and Vista. (Formerly known as the Z24.)
Z27 - Compatible with the LAMY Accent, Aion, CP 1, Dialog 3, Logo, ST, Pur, Scala, Imporium, and Studio.