This HP 21 Black Ink Cartridge is a Genuine OEM product with part number C9351A. It is a high-quality and reliable option for your printing needs. The cartridge is compatible with Hewlett Packard or HP printers, and it uses inkjet print technology.

The unit quantity is one, and it comes in a sealed package with an unknown expiration date. This cartridge is in black color, and it is a genuine/original product made in Malaysia. Buy with confidence knowing that you are getting an authentic product that will meet your printing needs.