Montegrappa Long Fountain Pen Ink Cartridge

• Length: Unknown
• Manufacturer’s website: Montegrappa

The Montegrappa Long ink cartridge has a unique size and shape. The length of this cartridge is unknown, but it appears to match the Parker and Aurora profile. It is available in two different 12 packs that have 3 sets of 4 colors each. Let us know if you can verify the length or compatibility of this cartridge.