This Genuine HP 21 (C9351A) Black Ink Cartridge is an exceptional choice for your printing needs. The cartridge is compatible with HP printers and is sealed for added protection. The black color of the ink provides high-quality printouts that are perfect for professional and personal use. The cartridge is an original product from HP, ensuring that you get the best quality possible. With an expiry date of 7/2025, this ink cartridge is perfect for those who need a reliable and long-lasting product. The HP 21 model is designed to provide consistent and reliable performance, making it an ideal choice for businesses and individuals alike. This product is perfect for those who value quality and durability, and it is sure to meet all of your printing needs.