The Pilot CON-40 Rotary Converter is a reliable, refillable ink system designed specifically for Pilot fountain pens, allowing users to enjoy bottled inks with precision and ease. Its twist-filling mechanism and internal agitator beads ensure consistent ink flow, making it a practical upgrade from cartridges.
Effortless Refilling with Precision Engineering
The CON-40 features a smooth rotary mechanism that draws ink reliably with just a few twists.
To fill, simply immerse the nib in ink, twist the knob clockwise to draw ink upward, and reverse to release—ideal for mess-free refills.
The 0.4ml capacity balances portability and writing time, suitable for daily use or travel.
Optimised Ink Flow with Agitator Beads
Inside the reservoir are small steel balls that gently agitate the ink, helping prevent clogs and ensuring consistent delivery, especially with thicker or pigmented inks. This design enhances performance across various ink types, supporting uninterrupted writing sessions.
Broad Compatibility with Pilot Pens
The converter fits all Pilot cartridge-converter models, including the Kakuno, Prera, Capless (Vanishing Point), Falcon, Custom 845, Custom Heritage series, and Namiki pens. It replaces the standard ink cartridge, unlocking access to the full spectrum of bottled fountain pen inks.
Tips for a Fuller Ink Fill
A small air bubble is normal on first fill due to the 0.4ml design. For maximum capacity, prime the feed by filling, emptying, and refilling once more while the nib remains in the bottle—this displaces the air and increases usable ink volume.
Why Choose a Converter Over Cartridges?
Using a converter reduces plastic waste and allows greater choice in ink colours and formulations. Bottled inks are often more cost-effective over time and offer richer hues and special effects like shading and sheen, enhancing the writing experience.
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