Designed to optimize the performance and life of your printers Unison Contract Cartridge for Duplex Label Applications delivers superior print quality page after page in your Lexmark MS725 MS823 MS825 MS826 MX722 MX725 MX822 and MX826. Special characteristics and performance attributes of Unison Toner's unique formulation enable shake-free performance consistently outstanding image quality long-life system reliability and amazing sustainability. Recycle empty cartridge through Lexmark's unique Cartridge Recycling Program that makes sustainable printing as beneficial to your organization as it is to the environment. Ultra high-yield cartridge generates approximately 55000 pages.