123inkjets offers the best alternative to the OEM (genuine) Canon PGI-29CO (PGI29CO) chroma optimizer inkjet cartridge. Manufactured brand new, our compatible PGI-29CO cartridges are built to perfection for crisp, clear prints, every time. Our compatible PGI29CO cartridges reduces the difference in ink droplet height which creates a smoother and flatter layer of ink. Purchase our PGI-29CO cartridges and enjoy the benefits of tracking you ink levels on your computer. Ink you can rely on at a price you can afford. All 123inkjets brand compatible cartridges are backed by a 2 year guarantee and ship fast!