Epson UltraChrome Pro Dark Gray Ink 700ml for Epson P10000, P20000 - 4 Pack - T80070V 

Next Generation Pigment Ink Technology

Epson printers are designed to work exclusively with specially formulated Epson inks, and not with other brands of cartridges or inks.

*For ICC Profiles, select your printer model from Epson's Support Site and then select ICC Profiles from the Downloads section.