Ensure crisp, smudge-resistant professional quality text with the genuine OEM HP 21 Black Ink Cartridge (C9351A). This cartridge, compatible with a wide range of HP and Hewlett Packard printers, is designed for reliability and consistent performance. Each unit is manufactured in Malaysia, adhering to high-quality standards and is tailored for inkjet, pigment, and thermal print technologies. This sealed set contains two HP 21 cartridges, each ready to deliver precision and clarity in your printing tasks. Without the original box, these cartridges are poised to provide the same quality and efficiency that HP users have come to expect, ensuring your documents are produced with the precision and reliability that only genuine HP ink can offer.