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 COLOR LASERJET M554, HP COLOR LASERJET M555, HP COLOR LASERJET M578 | 4,500 pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern/normal) | Colour: Cyan | OEM: W2121A