The HP 45 Large Black Ink Cartridge 51645A is a genuine, sealed product with an expiration date of 05/2001. Specifically designed for HP printers, this high-quality ink cartridge is ideal for professional printing tasks. With a sleek black color and compatibility with the HP Officejet Pro 8600 model, this cartridge ensures crisp and clear prints every time. Made in Singapore, this unit is a reliable and efficient choice for those in need of consistent and dependable printing solutions.