The New HP 305A Black Cyan Magenta LaserJet Toner Cartridge 3-Pack is a high-quality printer accessory designed for HP printers. This toner cartridge set includes cyan, magenta, and black tones, making it suitable for a variety of printing needs. The CF370AM model is compatible with HP printers such as M451nw, MFP M475dn, and M351a, providing reliable and consistent results. With a print technology of laser, this toner cartridge set ensures crisp and clear prints.