Genuine original (OEM) product for use in machines - WorkForce Pro WF-C4810DTWFOEM Epson DURABrite Ultra 408L High Capacity Yellow Ink Cartridge C13T09K44010SKU: OEPST09K4GB£57.96PriceCall for availabilityColour:YellowPage Yield @5% A4Up to 1,700 PagesFor use in the following printers :Epson Workforce Pro WF-C4310DTWF | Epson WorkForce Pro WF-C4310DW | Epson Workforce Pro WF-C4810DTWF