Epson 79XL Yellow Ink Cartridge. Cartridges Per Package: 1. Works With Printer Models: WorkForce Pro WF-4630DWF, WorkForce Pro WF-4640DTWF, WorkForce Pro WF-5110DW, WorkForce Pro WF-5190DW, WorkForce Pro WF-5620DWF, WorkForce Pro WF-5690DWF. MPN: C13T79044010