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Fill your fountain pens with premium grade fountain pen ink from International Standard Ink and Chesterfield Ink. These inks are specially formulated for smooth flow and excellent coverage. Click here for Ink Bottles

The ink cartridge units are compatible with every fountain pen model on this site, as well as the vast majority of all fountain pens. Simply clip the cartridge into your nib and you're ready to write!


Our ink cartridges are also compatible with the following popular brands:
A&W pens
Acme
Ancora
Bexley
Bossert & Erhardt
Caran d'Ache
Cartier
Charles Hubert Paris Pens
Colibri
Conklin
Conway Stewart
Daniel Hechter
Dani-Trio
David Oscarson
Delta
Diplomat
Duke
Elysee
Faber Castell
Fend
Filcao
Genius
Haolilai
Hero
Inoxcrom
Itoya
Jean Pierre Lepine
Jorg Hysek
Kaigelu
Kaweco
Krone
Laban
Lalex
Levenger
Libelle
Loiminchay
Marlen
Michel Perchin
Montblanc
Montegrappa
Monteverde
Nettuno
Northpointe
Olympia
OMAS
Osmiroid
Padrino
Panache
Pelikan
Penatia
Pierre Cardin
Platignum
Recife
Reform
Regal
Retro 51
Rotring
Schmidt
Senator
Sensa
Signum
Spalding
Stipula
Stypen
Taccia
Tombow
Underwood
Visconti
Vuarnet
Waldmann
Waterford
Waterman

Infinite Black Ink Cartridges
Infinite Black - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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40 infinite Black Ink Cartridges
Infinite Black - 40 Cartridge Bundle
Our Price: $13.98

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Deep Ocean Blue - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Deep Ocean Blue - 40 Cartridge Bundle
Our Price: $13.98

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Candy Apple Red - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Candy Apple Red - 40 Cartridge Bundle
Our Price: $13.98

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Summer Blue - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Summer Blue - 40 Cartridge Bundle
Our Price: $13.98

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Pumpkin Spice Orange - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Pumpkin Spice Orange - 40 Cartridge Bundle
Our Price: $13.98

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Sunflower Yellow - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Sunflower Yellow - 40 Cartridge Bundle
Our Price: $13.98

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Pine Green - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Pine Green - 40 Cartridge Bundle
Our Price: $13.98

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Pixie Pink - 10 International Standard Ink Cartridges
List Price: $14.99
Our Price: $6.99

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Pixie Pink - 40 Cartridge Bundle
Our Price: $13.98

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Turquoise - Chesterfield Ink Cartridges 10 Pack
Turquoise - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Ruby - Chesterfield Ink Cartridges 10 Pack
Ruby - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Emerald - Chesterfield Ink Cartridges 10 Pack
Emerald - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Mahogany - Chesterfield Ink Cartridges 10 Pack
Mahogany - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Garnet - Chesterfield Ink Cartridges 10 Pack
Garnet - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Sodalite - Chesterfield Ink Cartridges 10 Pack
Sodalite - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Tourmaline - Chesterfield Ink Cartridges 10 Pack
Tourmaline - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Fire Opal - Chesterfield Ink Cartridges 10 Pack
Fire Opal - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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Zircon - Chesterfield Ink Cartridges 10 Pack
Zircon - Chesterfield Ink Cartridges 10 Pack
List Price: $15.99
Our Price: $7.99

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