This is a genuine HP 305X black toner cartridge, compatible with HP LaserJet Pro Color M451 printers. The cartridge comes in a standard size and is sealed in its original packaging. It is a high-yield toner cartridge, perfect for printing large volumes of documents or graphics.

The cartridge is made with laser print technology and is an OEM (Original Equipment Manufacturer) product. It is compatible with other HP printers and is designed to produce high-quality black prints. Please note that this item does not come with a manufacturer warranty, and you will have to research California Prop 65 warnings.