Pressurized Refill Cartridge
This pressurized, waterproof blue ink refill cartridge is compatible with Inka pens and gives them their unique ability to write upside down, underwater, at high altitude, and in extreme temperatures.
PRODUCT INFORMATION
This pressurized, waterproof blue ink refill cartridge is compatible with Inka pens and gives them their unique ability to write upside down and in extreme conditions and altitudes.
PRODUCT DETAILS
- Compatible with all Inka pens
- Waterproof blue Ink
- Pressurized cartridge writes upside down and in extreme conditions