Bulk Continuous Ink System (CIS) for Related Printer: Epson Stylus Photo 900 1270 1280 1290 Cartridge Number: T007201 ~ T009201 Pre-filled with 125 ml x 2 colors and 100ml x 4 colors = 650 ml of premium UV Resistant dye based Ink Permanent Chip 80% Saving on individual Inkjet Cartridge.