Monteverde USA is proud to have created the world’s latest leading European ink treatment formula (ITF). Enjoy peak performance with ITF which drastically improves ink-flow quality, extends cap-off time, and lubricates and protects the ink feeding systems from corrosion and clogging. Our inks are available in a variety of vibrant colors.The success of their expanded Itf and Gemstone ink collection, Monteverdi USA announce their new 12 piece ink cartridge sets, which is now available in 31 brilliant Fountain Pen ink colors. Each set of cartridges are standard international size and are individually packaged in a thin, hangable and reusable plastic container. Perfect for any fountain pen lovers, you need your favorite MONTEVERDE ink always within reach. Each cartridge is made with MONTEVERDE usa’s European ink treatment formula (itf).Features

The worlds latest leading European ink treatment formula (itf)
Improved ink-flow quality and extends cap-off time
Lubricates and protects ink feeding systems from corrosion and clogging
Rich, vibrant fountain pen ink color
International standard size to fit most fountain pens
Slim, hangable, and reusable clean plastic storage box
12 pack of cartridges per box
Made with MONTEVERDE usa’s patented European ink treatment formula (ITF)

Technical Specs

Material: Plastic
Collection: International Ink Cartridges Standard Size
Item Weight: 1 ounce
Item Dimensions (L x W x H): 1.7 x 0.38 x 4.25 inches
Length: 1.5 inch / 38 mm (Single Ink Cartridge)
Color: Documental Permanent Blue
Brand: Monteverde
Model Number: G305DU
Manufacturer Part Number: G305DU