This piston style converter enables the easy use of any fountain pen friendly bottled ink color. Lamy converters only work in Lamy brand pens, they won't work in other brands. This converter works with the Lamy Safari, ABC, Al-Star, Joy, Nexx M, and Vista. 

This converter will NOT work in the: Lamy Accent, Aion, CP1, Dialog, Logo, Pur, Scala, Studio, and Imporium. You want the Lamy Z27 converter for these pens.