The HP 923 CMYK Original Ink Cartridge 4-Pack is a high-quality ink supply set designed for HP printers. This product includes cartridges in the colors of cyan, yellow, magenta, and black, providing a variety of colors for your printing needs. With a page yield of approximately 500 pages for black and 400 pages for cyan, yellow, and magenta, this cartridge set offers long-lasting and reliable performance. The cartridges are compatible with the HP Officejet Pro 8120 series, ensuring a seamless printing experience.