The GreenCycle 1PK Pat-W1340X is a compatible black laser toner cartridge designed for use with HP printers. Made by the brand GreenCycle, this toner cartridge is specifically compatible with models such as the Laser Jet Printer. With a print technology of laser, this product ensures high-quality printing results. Manufactured in China, this toner cartridge is a reliable and cost-effective option for printing needs. The HP models are on the package.