This genuine Epson Yellow 79 Tower of Pisa Inkjet Cartridge is packed with 6.5ml of yellow ink to print up to 800 pages. DURABrite Ultra ink ensures bright and crisp results, every time. It's compatible with the WorkForce Pro WF-4630DWF, WF-4640DTWF, WF-5110DW, WF-5190DW, WF-5620DWF and WF-5690DWF.