Refill your SureColor P7570 or SureColor P9570 Large-Format Inkjet Printer with the UltraChrome PRO12 Gray Ink Cartridge from Epson. This 150mL cartridge provides a wide color gamut that produces archival prints with amazing color fidelity and consistently stable colors. Dedicated photo black and matte black channels means no black switching is needed for UltraChrome PRO12 cartridges, and the cartridge offers professional-quality results without the need for expensive chroma optimizer inks.