The high capacity HP 991X ink cartridge is an original HP yellow ink cartridge that is made for your HP printer. It offers great value, professional-quality colour prints and high-clarity results always. HP 991X yellow ink cartridges print volumes of documents with ease, as they can yield around 16, 000 pages. This puts you at a great advantage and provides you with superior prints at a low cost per page. This cartridge is part of HP\'s Page Wide ink system and gives tough competition to rival laser printers. It prints documents at lightning speed while staying true to the professional print quality and image vividness of an inkjet model. This ink cartridge also ensures that you get the most authentic HP experience.