Enhance the quality of your printing experience with these two brand new and sealed LxTek high yield black toner cartridges. They are made to be compatible with Dell printers, specifically the E310DW and E515DN models. The cartridges are made of high-quality materials that ensure durability and reliability. The black toner cartridge is perfect for printing professional-looking documents and images, and it guarantees a high-quality print output. It is also easy to install, saving you time and effort. Get your hands on these toner cartridges today and experience high-quality printing like never before.