The HP 308A Black LaserJet Toner Cartridge Q2670A is a genuine OEM product manufactured by HP specifically for use with HP Laser printers. It is designed for high-quality printing and is compatible with models such as the 3500, 3550, and 3700 series. This black toner cartridge is a unit quantity of 1 and is made in the United States, ensuring reliable performance and consistent results with each use. Perfect for professionals and individuals looking for top-notch printing supplies from a trusted brand like HP.