Genuine HP 901 Black OfficeJet Ink Cartridges in a convenient twin-pack. These original Hewlett-Packard cartridges are designed for superior prints and reliable performance in compatible OfficeJet series printers. The pack includes two black ink cartridges (CZ075FN), ideal for high-volume document printing. Compatible with HP OfficeJet J4540, J4550, J4580, J4680, and 4500 models. Please note this is new old stock with a 2013 expiration date; the outer box remains sealed and shows wear, but the internal contents remain factory sealed.