This high-quality ink cartridge set from Office Depot is perfect for your Dell printer needs. The Dell Series 21/22 XL Black cartridges are designed to provide superior printing results for your documents and graphics. With a yield that is sure to last you for a long time, you can enjoy crisp and clear black ink for all your printing needs. These cartridges are compatible with Dell printers and are easy to install, ensuring that you get the best results every time.