The Replacement 812XL Ink Cartridges for Epson WorkForce Pro WF-7820 WF-7840 4 Pack is a set of remanufactured ink cartridges designed specifically for Epson printers. Made in the United States, these cartridges are compatible with the Epson WorkForce Pro WF-7820 and WF-7840 printers, ensuring high-quality printing results. The 4-pack option provides a convenient and cost-effective solution for replacing your old ink cartridges, allowing for uninterrupted printing without the need to constantly reorder supplies. Ideal for professionals and individuals looking for reliable and efficient printing solutions. All 4 colors included, see pictures.