Black fountain pen ink cartridges from Monteverde with ITF, which drastically improves ink-flow quality, extends cap-off time, and lubricates and protects the ink feeding systems from corrosion and clogging.
Black fountain pen ink cartridges from Monteverde with ITF, which drastically improves ink-flow quality, extends cap-off time, and lubricates and protects the ink feeding systems from corrosion and clogging.