The Epson T1634 16XL Ink in yellow is a high capacity ink cartridge made with DURABrite Ultra formulation, this is a special dye-based but water-insoluble ink with special resin to make it adhere easily to any type of media. Text and graphics remain vibrant while being resistant to smudging, fading, and bleeding.MPN: C13T16344010This ink is for use in the following machines:-Workforce WF-2010WWorkforce WF-2510WFWorkforce WF-2520NFWorkforce WF-2530WFWorkforce WF-2540WFPage yield: Up to 450 Pages. Please note that this item is delivered direct from our supplier and may take a little longer to arrive.