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 & graphics remain vibrant while being resistant to smudging, fading, & bleeding. MPN: C13T16344010 This ink is for use in the following machines:- Workforce WF-2010W Workforce WF-2510WF Workforce WF-2520NF Workforce WF-2530WF Workforce WF-2540WF Page yield: Up to 450 Pages * Please note that this item is delivered direct from our supplier & may take a little longer to arrive.