"Standard International" cartridges and converters are commonly used in most fountain pens. International cartridges are made in short or long sizes.

Kaweco Ink Cartridges in Paradise Blue - Pack of 6
  • $3.00

10000260

Kaweco Ink Cartridges in Pearl Black - Pack of 6
  • $3.00

10000257

Monteverde Ink Cartridges International Size in Black - Pack of 6
  • $3.00

G302BK

Monteverde Ink Cartridges International Size in Blue - Pack of 6
  • $3.00

G302BU

Kaweco Ink Cartridges in Royal Blue - Pack of 6
  • $3.00
  • Sold out

10000256

Graf von Faber-Castell Ink Cartridges in Carbon Black - Pack of 6
  • $5.00

141100

Monteverde Ink Cartridges International Size in Blue/Black - Pack of 6
  • $3.00

G302BB

Diamine Ink Cartridge in Prestige - Pack of 20
  • $9.00

DM-5006

Kaweco Ink Cartridges in Midnight - Pack of 6
  • $3.00

10000258

Graf von Faber-Castell Ink Cartridges in Cobalt Blue - Pack of 6
  • $4.00

141101

Caran d'Ache Chromatics Ink Cartridges in Idyllic Blue - Pack of 6
  • $5.50

CA-8021140

Kaweco Ink Cartridges in Summer Purple - Pack of 6
  • $3.00

10000010