Original HP Ink Cartridge | PREMIUM PERFORMANCE - Rely on Original HP Cartridges to deliver consistent results | THE ENVIRONMENTAL CHOICE - Cartridges designed with the planet in mind for easy recycling | | SPECIFICATIONS | Compatible with the following: HP OFFICEJET PRO 6830, HP OFFICEJET PRO 6230, HP OFFICEJET PRO 6820 | 1,000 Pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern/normal) | Colour: Black | OEM: C2P23AA | UPC: 888182787915