Pilot CON-40 Piston Converter

Upgrade your fountain pen experience with the Pilot CON-40 Ink Converter, designed for convenient, eco-friendly refilling. This compact piston-style converter allows you to use bottled fountain pen ink with most Pilot cartridge/converter-compatible pens, giving you greater color variety and long-term savings.

• Holds approximately 0.4 ml of ink
• Piston-style filling system with built-in agitator beads for smooth flow
• Compatible with popular Pilot models like the Custom 74, Metropolitan, Prera, Kakuno, and more
• Easy to clean and refill