This product is either discontinued or we cannot get that from suppliers.
Epson C13T049490 Ink cartridge, Duty Cycle: Up to 430 pages at 5% coverage, Compatible with: Stylus Photo R210, R230, R310, R350, RX510, RX630, RX650, Color: Yellow.
Epson Stylus Photo R230 Yellow 450 Pages Ink Cartridge.