When shopping for converters, cleaning & pen cases, the key decision is whether you need an accessory for managing ink in a fountain pen or a tool for cleaning its nib. Sailor Fountain Pen Converter and Fountain Pen Cleaning Kit serve those different jobs. Their prices are separated by just $0.25, so the task matters more than the small price gap.
Quick verdict
Choose the Sailor Fountain Pen Converter for ink management, particularly if checking remaining ink is important. Choose the Fountain Pen Cleaning Kit for pen cleaning and nib maintenance. These are not substitutes: one is a converter, while the other is a dedicated cleaning kit.
At-a-glance comparison
| Product | Price | Main role | Other listed detail |
|---|---|---|---|
| Sailor Fountain Pen Converter | USD 11.45 | Fountain pen converter | Round body; converter included |
| Fountain Pen Cleaning Kit | USD 11.20 | Fountain pen cleaning | Plastic; one kit |
Where each wins
- Sailor wins for ink visibility. Its clear body lets you check the amount of ink left, making it the direct choice when monitoring ink is the priority.
- Gilprop wins for cleaning equipment. The four-part setup includes an increased pressure section, suction hose, damping ring, and connecting head, giving it a clearly defined maintenance role.
- The price call is close. With only a $0.25 spread, the different jobs are more useful for choosing between them than the prices themselves.
Product notes
Sailor Fountain Pen Converter

The Sailor Fountain Pen Converter is the more focused pick for ink management. Its clear body lets you check the amount of ink left, a useful reason to choose it when seeing the remaining supply matters. The round body and smooth grip type add concrete shape details, while the included component is a converter rather than a multi-part maintenance setup. Its limitation is its narrow job: it is not the cleaning tool in this comparison, so it does not address nib-cleaning needs. Choose Sailor when a converter with visible ink is the specific accessory you need, rather than a way to clean a pen.
Fountain Pen Cleaning Kit

Fountain Pen Cleaning Kit is the task-specific choice for cleaning a fountain pen. Its four-part construction includes an increased pressure section, suction hose, damping ring, and connecting head, so the purpose is clear. A concrete reason to choose it is the stated suitability for Japanese fountain pens with a 5.6mm caliber. The practical limitation is that this size guidance matters when selecting it for a pen. Its role is cleaning, not converting or viewing ink remaining. Choose the Gilprop kit when cleaning is the job and the stated Japanese caliber applies to your pen.
Final choice by use case
- For ink management: Choose the Sailor Fountain Pen Converter. The converter format and ink-visibility function match this job.
- For fountain pen cleaning: Choose the Fountain Pen Cleaning Kit. Its title and four-part cleaning design match maintenance work.
If you need one accessory now, choose the product whose core job matches the problem in front of you. The Sailor is the ink-focused choice; the Gilprop kit is the cleaning-focused choice.