The HP 45 Black Inkjet Print Cartridge is a high-quality ink cartridge designed for use with various HP DeskJet printer models, including the 710c, 712c, 720c, 722c, and 820cxi. With its black ink color and inkjet print technology, this cartridge ensures crisp and professional-quality printing results. Compatible with HP printers, this model 45 cartridge is a reliable option for those looking to replenish their ink supply and maintain the performance of their printer.