This is the giant, 1 gallon bottle of bulk inkjet ink. Our bulk inks are ideal for the high volume user who simply can't afford to run out of ink, or if you have youw own refill shop. We have tested many inks on the market, and the ColorFast DuraFirm Technology (TM) ink is the best we have found. It offers UV protection to guard against fading over time, is waterproof and smudge proof. Microrefined for superior print quality every time. DuraFirm Technology (Colorfast Ink), which has archival qualities (does not fade), is smudge resistant and waterproof on Durafirm Technology waterproof paper! These inks are the latest technology and guaranteed to perform and last longer than most original manufacturer's ink.

DuraFirm Technology ink is guaranteed to work on ALL inkjet cartridges (HP, Brother, Canon, Lexmark, Epson etc...) because it is specifically engineered as a multi-brand ink right here in the USA. Other manufacturers may sell you a generic ink and call it "multi-brand" or "universal", but DuraFirm Technology ink is trully multi-brand, it is engineered and designed for superior quality across ALL inkjet cartridge types. Furthermore, it is more UV resistant, bright and archival than most OEM inks, and even waterproof on DuraFirm paper which means it is smudge resistant and will last longer.

This item contains: 1 gallon Yellow DuraFirm bulk ink