This Ink .com Compatible 522 High Capacity Ink Refill 5 Pack is specifically designed to work with Epson ET-2803, ET-2800, ET-2720, ET-2400, and ET-4800 printers, providing reliable performance for your everyday printing tasks. The set includes two black ink bottles, one cyan, one magenta, and one yellow, ensuring you have a complete supply for all your color and monochrome documents. These non-OEM replacement inks deliver crisp black text and vibrant colors, with black ink yielding up to 6,400 pages and each color ink bottle providing up to 10,700 pages, helping to reduce the frequency of replacements. Each bottle features an easy-to-use refill design to minimize spills and simplify the refilling process for standard inkjet printing on regular paper.