This high yield toner cartridge is compatible with HP LaserJet printers and provides up to 24,000 pages of black print. The cartridge is designed for easy installation and comes in a unit quantity of 1 box. It is ideal for those who need a reliable and efficient toner cartridge for their HP LaserJet printer.The cartridge is made by Cartridge Save and is compatible with various HP LaserJet models such as the P4515n, P401, and P4515. The yield of 24,000 pages makes it a great choice for high-volume printing needs. It is perfect for those who need a consistent and reliable toner cartridge for their HP LaserJet printer.