Enhance the print quality of your HP printer with these compatible black ink cartridges. The HP 305x ink cartridges are designed to provide you with rich, crisp and smudge-free prints. With a yield of up to 9,000 pages, these cartridges are perfect for high-volume printing needs. These ink cartridges are easy to install and are compatible with HP printers. The black color ensures that your prints are sharp and clear. Get the most out of your printer with these HP 305x ink cartridges.HP LASERJET PRO 300, M351, M375, 400, M451, M475