Monteverde Ink Cartridges Blue/Black

These Monteverde ink cartridges are standard intentional in size, meaning they will fit most european model fountain pens. Their compact size allows these cartridges to be doubled up in most pens, which gives the writer a spare or back-up cartridge. Monteverde ink cartridges are formulated with an exclusive and patented ITF or ink treatment formula which improves ink flow, extends cap-off time, lubricates the feeding system and improves ink drying time. Monteverde ink cartridges are available in a variety in colors all of which come in a convenient carrying case that holds 12 cartridges.