The Brand New Sealed LxTek TN450 2-Pack Black High-Yield Compatible Toner Cartridges are designed specifically for Brother printers. These compatible toner cartridges utilize laser print technology to deliver high-quality black prints. With the LxTek TN450 model, users can expect reliable and consistent performance with each print. This 2-pack unit ensures that users have an ample supply of toner cartridges on hand for all their printing needs. The black color of the cartridges makes them suitable for a wide range of printing applications.