InkOwl Bulk Pigment Ink for use in EPSON Stylus Pro 4000, 7600, 9600 (8x250mL, includes Matte Black) This high-quality pigment ink formulation is designed to be used in EPSON large format printers High-fidelity reproduction of original colors and color gamut with no ICC profiling required. No need to purge the lines of old ink when switching to this ink Ink kit includes: 8x250ml bottles InkOwl pigment ink for Epson large format printers (photo black, cyan, magenta, yellow, light cyan, light magenta, light black, matte black) NOTE: Refilling original EPSON cartridges is impossible. Instead, you should get a set of "refillable cartridges" in order to use this ink. These special easy-to-use cartridges can be found on Amazon and will greatly simplify the refill process This is a stable and proven pigment formulation manufactured in the USA. This is not a cheap Chinese dye ink!