This cartridge is commonly used by most European and Japanese fountain Pen. International Standard’ cartridges are a common pattern in use by most European and Japanese fountain pen manufacturers.

Pen brands that fit this International Standard Size Cartridge: Faber-Castell, Rotring, Porsche, Caran d’Ache, Kaweco, Monteverde, Waterman, Tombow, OHTO, Pelikan, Viscont and Schneider Pen.

Brands that do not fit International Standard Size Cartridge: Parker, Sheaffer, Cross, Platignum, Platinum and Lamy.

Monteverde is proud to introduce the world’s latest leading European ink treatment formula which drastically improves ink-flow quality.

ITF Ink Treatment Formula that:

• Drastically improves ink-flow quality
• Extends cap-off time
• Lubricates and protects the ink feeding systems from corrosion and clogging
• Improves ink drying time on paper
• Free flow Monteverde Inks in a variety of vibrant colours, provide an unprecedented writing experience.