The 2 Pack #61XL Black Ink Cartridge by Firstoner is designed for use with various HP printer models, including ENVY 4500, DeskJet 1055, and OfficeJet 2620. This remanufactured ink cartridge is compatible with HP 61XL models and offers a print technology suitable for inkjet printing. With a manufacturer warranty of 3 years, this unit provides high-quality black ink for your printing needs. Perfect for those looking for reliable and compatible ink cartridges for their HP printers.