The 50mL T46Y Light Gray UltraChrome PRO10 Ink Cartridge from Epson provides you with an archival pigment ink with an expanded color gamut for vibrant and long-lasting prints that captivate and inspire. Designed for the SureColor P900 17" Photo Printer, this UltraChrome PRO10 ink has a WIR display permanence rating of up to 200 years for color and 400 years for black and white prints.