---
product_id: 389902117
title: "ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers"
brand: "online"
price: "45.91 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Online"
url: https://www.desertcart.tn/products/389902117-online-ink-converter-for-standard-fountain-pen-refill-from-ink
store_origin: TN
region: Tunisia
---

# Holds volume of 2 ink cartridges Eco-friendly reusable design Fits all standard fountain pens ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers

**Brand:** online
**Price:** 45.91 DT
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your writing game—refill smarter, write longer, and join the eco-savvy pros!

## Quick Answers

- **What is this?** ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers by online
- **How much does it cost?** 45.91 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/389902117-online-ink-converter-for-standard-fountain-pen-refill-from-ink)

## Best For

- online enthusiasts

## Why This Product

- Trusted online brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Double Ink Capacity:** Holds twice the ink of a standard cartridge, reducing refill frequency and boosting productivity.
- • **Crystal Clear Design:** Transparent plastic body lets you monitor ink levels at a glance—never run dry unexpectedly.
- • **Eco-Conscious Choice:** Cut costs and waste by refilling with bottled ink, championing sustainability in style.
- • **Universal Compatibility:** Seamlessly fits any standard fountain pen or rollerball system for effortless refills.
- • **Trusted German Craftsmanship:** From ONLINE, a premium brand since 1991, ensuring durability and precision every time.

## Overview

The ONLINE Ink Converter is a premium, crystal-clear plastic refill converter designed to fit all standard fountain pens and rollerball systems. With a capacity equal to two standard ink cartridges, it enables cost-effective, eco-friendly refilling from bottled ink. Manufactured by the reputable German brand ONLINE, this durable converter combines universal compatibility with sustainable convenience for the discerning professional.

## Description

This ink converter fits to all standard fountain pens. It contains the ink volume of two cartridges. Use ink from a bottle or glass to avoid rubbish and save money.

Review: Rien a direl, correspond bien a sa description - Rien a dire de mal, correspond bien a sa description
Review: Works with Muji - This works great with my Muji fountain pen

## Features

- quality: Premium ink converter for standard fountain pen and rollerball systems. If your pen accepts standard ink cartriges, the ONLINE converter will fit perfectly.
- VOLUME: The converter has a filling volume of two standard ink cartriges. Save money, avoid rubbish, and protect the environment by refilling your ink pen using bottled ink.
- CLEAN DESIGN: The converter is made of plastic in crystal clear design. Thanks to the sturdy frame, this converter is made for multiple use.
- STANDARD SIZE: Dimensions: 70 x 8 x 8 mm - universal size for standard fountain pens!
- ONLINE BRAND QUALITY: ONLINE is a German company founded in 1991 and specialises in pens, calligraphy kits, pen cases and much more. ONLINE offers quality only!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00UR5HN6C |
| Best Sellers Rank | #39,540 in Office Products ( See Top 100 in Office Products ) #108 in Bottled Ink |
| Brand | Online |
| Brand Name | Online |
| Country of Publication | Germany |
| Customer Reviews | 4.3 out of 5 stars 1,626 Reviews |
| Global Trade Identification Number | 04014421401380 |
| Included Components | ink_cartridge |
| Ink Color | black |
| Item Dimensions | 7.6 x 0.8 x 0.8 centimeters |
| Item Type Name | Plastic converter. |
| Item Weight | 5 Grams |
| Item dimensions L x W x H | 7.6 x 0.8 x 0.8 centimeters |
| Item weight | 5 Grams |
| Manufacturer | Online |
| Manufacturer Part Number | 40138 |
| Model Number | 40138 |
| Number of Pieces | 1 |
| Number of pieces | 1 |
| Package Size Name | Pack of 1 |
| Point Type | standard |
| Point type | standard |
| Style | Fountain |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Online
- **Item dimensions L x W x H:** 7.6 x 0.8 x 0.8 centimeters
- **Item weight:** 5 Grams
- **Number of pieces:** 1
- **Style:** Fountain

## Images

![ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers - Image 1](https://m.media-amazon.com/images/I/51Ngt2cV9SL.jpg)
![ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers - Image 2](https://m.media-amazon.com/images/I/61fwl8H6VaL.jpg)
![ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers - Image 3](https://m.media-amazon.com/images/I/61trAfFZCQL.jpg)
![ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers - Image 4](https://m.media-amazon.com/images/I/61ciy8XmvGL.jpg)
![ONLINE Ink Converter for Standard Fountain Pen Refill from Ink Glass Plug Converter for Various Manufacturers - Image 5](https://m.media-amazon.com/images/I/61wGNbxUDpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rien a direl, correspond bien a sa description
*by P***I on 16 January 2026*

Rien a dire de mal, correspond bien a sa description

### ⭐⭐⭐⭐⭐ Works with Muji
*by M***W on 28 March 2026*

This works great with my Muji fountain pen

### ⭐ Non adatto per la penna Yookers YOOTH 751
*by G***I on 25 October 2024*

Comperato perché suggerito per la penna Yookers YOOTH 751. Non può essere assolutamente utilizzato perché inadatto

## Frequently Bought Together

- Online Schreibgerate ONLINE standard ink converter │ cartridge converter made of synthetic material │ fits standard fountain pens and rollerball pens │ refillable,Black
- Parker Fountain Pen Ink Bottle | Black QUINK Ink | 57 ml Fountain Pen Refill
- Asvine 5 Pack Fountain Pen Ink Syringe Filler, Spring Converter with Removable Blunt Needle Tip

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**Shop now:** [https://www.desertcart.tn/products/389902117-online-ink-converter-for-standard-fountain-pen-refill-from-ink](https://www.desertcart.tn/products/389902117-online-ink-converter-for-standard-fountain-pen-refill-from-ink)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-26*