This table serves as a general guideline for which brands of cartridge/converter pens accept proprietary vs standard international cartridges/converters.
LAMY safari fountain pen - blue/red (limited production) - The Goulet Pen Company
What is the ink refill converter in a fountain pen gift set? Is it like a bladder that you can refill as with pins that were made before the ink cartridge?
What are fountain pen ink cartridges made out of? How do you refill them? - Quora
Writes Like A Dream - Designed to be well balanced, you do not have to press down hard to begin to write. Ink flows smoothly and naturally under its own weight. Using the medium nib and convenient snap on cap, you can write wherever and however you wish. Modern and Elegant - This sleek Metallic Silver metallic design adds a touch of modern class to your daily routine. It is made from stainless steel which is well crafted and sturdy, designed as a left and right handed fountain pen.
Dryden Designs Dryden Fountain Pen with Ink [12 Black & 12 Blue Cartridges] - Metallic Silver - Smooth Elegant Writing - Best Fountain Pens Col
12 PCS Fountain Pen Piston Converters, Compatible with Parker and Hongdian Fountain Pen, 3.4mm Bore Diameter Ink Absorber Filler : Office Products
Dryden Designs Fountain Pen - Medium and Fine Nibs, Includes 24 Ink Cartridges and Ink Refill Converter
Do you still use old style FOUNTAIN INK PEN? - Quora
If I have a Parker Fountain pen can I use an ink well or do I need to use the cartridges? - Quora
What are the benefits of using an ink cartridge with a fountain pen over just using bottled ink? - Quora
The Goulet Pen Company
Fountain Pen Filling Mechanisms: Get Filled In!
What is the difference between a regular cartridge and an international cartridge for a Parker Jotter Fountain Pen? - Quora
A Guide To Compatible Cartridges and Converters