The 4-Pack Greensky 414A Toner Cartridge is a high-yield compatible cartridge designed for HP Color Laserjet Pro printers. It includes cyan, yellow, magenta, and black toner cartridges, each offering 7,500 pages of black and 6,000 pages of color printing. These cartridges are compatible with models such as M479fdw, M479fdn, M454dw, and M454dn, providing reliable and high-quality printing results for your documents and images. With a chip-free design, these sealed bags ensure easy installation and long-lasting performance for your printers.