use in: Epson Printers Stylus T21,T20,T30,T40W, TX110,TX100, TX210,TX200,TX300F, TX410 Stylus TX400,TX510FN,TX550W,TX600FW, TX610FW. 73N Black, 73N Cyan, 73N Magenta, 73N Yellow. Package of 4 cartridges. can choose any of the color. Free shipping if order 3 sets up.