The Genuine HP CE251A (504A) Cyan Toner Cartridge is an original product by HP designed for use in laser printers. This cartridge is specifically compatible with HP printer models CP LASERJET CP3525 and CM3530, ensuring high-quality printing results in vibrant cyan color. With a unit quantity of 1, this toner cartridge is a reliable and efficient choice for those looking to maintain the performance of their HP printers.