This listing contains 1 T664220 Cyan, 1 T664320 Magenta and 1 T664420 Yellow ink bottles. This set is compatible with Epson Expression ET-2500, Expression ET-2550, Expression ET-2600, Expression ET-2650 & WorkForce ET-16500, WorkForce ET-4500, WorkForce ET-4550. Please note, retail packaging may vary and this set will only work with printers purchased within the United States and Canada. We are the exclusive reseller of LD Products brand of high quality printing supplies.