The 2 Pack Dataproducts DPC951MP Inkjet Cartridge Replacements for HP 951 are remanufactured ink cartridges designed for use with HP printers. The cartridges are compatible with the HP Officejet Pro 8600 and offer high-quality prints in cyan, yellow, and magenta colors. With an expiration date of 10/2023, these cartridges provide long-lasting and reliable printing performance for your documents and images.