This genuine HP C9721A (641A) cyan laser print cartridge is perfect for your printing needs. It is compatible with HP LaserJet 4600, 4610, and 4650 printers, providing you with high-quality prints. The unit type is a unit, and the color is cyan. The cartridge is an original HP product, ensuring that you get the best printing results. It is designed for professional printing and is perfect for businesses and individuals who need to produce high-quality prints. The unit quantity is one, and it is sold as a single unit. Get this genuine HP print cartridge today and enjoy the best printing experience.