Automatic Refill System for HP Ink Cartridges-Black

Refills Hewlett-Packard black ink cartridges HP 21, 27, 56, 94, 96.
No mess, air bubbles, or ink drips; will not overflow
Fast, easy, and clean for home or office
Includes base, drill for foam, guide, and illustrated instructions Maximum savings. Refill cartridges on demand. Clean refills with no drips. More »