The WATERMAN piston converter is a practical accessory for fountain pens that offers a simple and efficient way to use WATERMAN ink. This converter is specifically designed for all WATERMAN fountain pens and allows users to fill ink directly from bottles, providing a cost-effective and environmentally friendly alternative to traditional ink cartridges. With a compact design, the piston converter is easy to handle and install, enabling users to quickly and effortlessly refill their writing instruments. The converter is made of transparent material, allowing visibility of the ink level, and is available in various color options to suit individual preferences. The WATERMAN piston converter is therefore an ideal addition for anyone who appreciates writing with fountain pens and values quality and functionality.

• Compatible with all WATERMAN fountain pens
• Allows filling with WATERMAN ink from bottles
• Transparent design for monitoring ink levels
• Easy handling and installation.