This 4 pack of ink cartridges is a compatible option for HP OfficeJet printers including models 6978, 6968, and 6954. With a high yield, the black cartridge can print up to 1500 pages and the color cartridges up to 825 pages each. The ink is designed for inkjet printing technology and comes in cyan, yellow, magenta, and black colors. In addition to its compatibility with HP printers, this ink cartridge set also comes with a manufacturer warranty for 2 years. It falls under the category of printer ink cartridges in the Computers/Tablets Networking section of. Whether you need replacement ink for your home or office printer, this pack of 4 cartridges is a reliable and cost-effective choice.