The T812XL Ink Cartridges are compatible with Epson WorkForce Pro printers WF-7820 and WF-7840. This lot includes 2 black cartridges designed to provide high-quality printing results. Ideal for those looking to replace their existing cartridges, these compatible cartridges ensure reliable performance and consistent output. Perfect for professionals and home users alike, these T812XL cartridges offer a cost-effective printing solution.