The Universal Ink Jet Refill Kit - Black is specially designed for refilling most inkjet printer cartridges. It is very cost effective in that it enables you to reuse your exhausted or depleted printer inkjet cartridge. You don't ever have to be stranded or hopeless in the middle of a print job due to an exhausted or depleted inkjet cartridge. With the Refill Kit at hand, you can remove your printer inkjet cartridge, refill it and insert it back into your printer after about 4 - 10 minutes of allowing the cartridge to drip any excess ink. Insert the inkjet cartridge