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: