Description The Lamy Z28 piston converter is a replacement for the former Lamy Z24 converter. This proprietary converter fits in Lamy fountain pens such as the Lamy Safari, Vista, Al-Star, and several others. The Lamy Z28 converter is a great alternative to Lamy cartridges, allowing you many more bottled ink options for ink colors. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.