Black fountain pen ink 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. 

Available in 90ml bottle, 50ml portable ink capsule, 30ml bottle, 12-pack cartridges, or 4ml sample.

NEW! Portable Ink Capsule

• Portable design lets you take your favorite ink with you!
• Wide mouth, leak-proof container made from tough medical grade plastic
• Tapered "Ink Cone" bottom allows maximum fill
• Large 50 ml capacity meets TSA allowances for air travel
• Available in all 70 Monteverde USA ink colors!
• Set includes bonus empty capsule, perfect for filling with your favorite ink, flush or water.