The 2PK CF230X 30X Toner Cartridge by GREENCYCLE is a compatible unit designed for use with HP LaserJet printers, including models M203d, M203dn, and M203dw. This black toner cartridge features a print technology of laser, ensuring high-quality output. With a manufacturer warranty of 1 year and a unit quantity of 2 packs, this product offers reliability and value for your printing needs. Made in China, this toner cartridge is a practical choice for those looking to replace their current printer supplies with a quality alternative.