The HP C4192A Cyan Toner Cartridge is a genuine OEM product designed for use with the LaserJet 4500/4550 printers. This sealed cartridge in the blue box ensures high-quality printing in cyan color. Manufactured by HP in Japan, this unit is compatible with the specified printer models and provides reliable performance. With a unit quantity of 1, this toner cartridge is an essential component for maintaining the efficiency and quality of your printing tasks.