This Epson ink cartridge is cyan and has a volume of 350ml. It is compatible with Epson Stylus Pro 7900 Series, Epson Stylus Pro WT 7900 Series, and Epson Stylus Pro 7890 SpectroProofer printers. The UltraChrome HDR (High Dynamic Range) pigment ink technology offers enhanced print and color quality, with features like three-level black ink for superb gray balance and smooth tonal gradations. This ink is designed for professional printing applications.