Epson T802420 (Epson T802) Yellow Inkjet Cartridge is designed to perform in the Epson WorkForce Pro EC4020, WorkForce Pro EC4030, WorkForce Pro EC4040, WorkForce Pro WF-4720, WorkForce Pro WF-4730, WorkForce Pro WF-4734, WorkForce Pro WF-4740 (T802420, Epson T802, EpsonT802, 802)