Original HP Toner 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 LASERJET M507, HP LASERJET M528 | 10,000 Pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern/normal) | Colour: Black | OEM: CF289X | UPC: 192018046634