This Item Includes: LD Products Compatible Ink Bottle Replacement for Epson EcoTank 522 T522420 (1-Pack, Yellow) for use in Printers Epson ET-2720 | ET-4700. We offer ink bottle replacement for hard-to-find printer models. Our ink bottles are good for home, office or when you're running a business. Our products are put through a rigorous testing process where they are monitored for quality and reliability. Knowing the replacement ink bottle that works most efficiently with your printer model is important. Please note, retail packaging may vary and these replacement ink bottles will only work with printers purchased within the United States and Canada. The use of these compatible replacement ink bottles is not manufactured byEpson.