The Brother TN660 High Yield Toner Cartridge is a reliable and high-quality printer accessory designed for Brother printers. With a page yield of up to 2600 pages, this cartridge ensures that you can print a large volume of documents without running out of toner. Specifically designed for Brother TN660 printers, this high-yield toner cartridge is a cost-effective solution for those who need to print a lot of pages on a regular basis.