This set of 4 ink cartridges is compatible with HP printers including OfficeJet Pro 6954, 6962, 6963, 6970, 6975, and 6978. The cartridges are of high quality and reliable, with a capacity of up to 1500 pages for black ink and 900 pages for color ink. They come with a reset chip to ensure smooth printing and are backed by a manufacturer warranty of 3 years. These ink cartridges use advanced print technology and are perfect for printing in color or in black and white. They are suitable for printing at home or in the office, and are designed to work with a range of HP printers. With these cartridges, you can enjoy high-quality printing that is fast, efficient, and reliable.