This is a brand new, OEM OKI Toner in Cyan color, model number 43324476. It is compatible with Brother LC51 printers and is suitable for use with OKI Data printers. This unit is a high-quality toner cartridge for laser printers that comes straight from the manufacturer in China. The toner is designed for use in printers and is a reliable and efficient option for those who need to print high-quality documents. This unit is a single unit and comes in a unit type packaging. With this OKI Toner, you can expect excellent performance and ease of use.