The product code C13T845498 (also known as the T8454 or T8454 Yellow) is a specific Yellow Ink Supply Unit (ISU) designed for high-capacity, high-speed Epson WorkForce Pro printers that utilize the Replaceable Ink Pack System (RIPS).
 
Ink TypePigment-Based Ink (Epson DURABrite Ultra or similar technology).
Ink Volume (Approx.)450 mL (A very substantial volume designed for extended printing periods.)
Page Yield (Approx.)Extremely high, often rated for approximately 50,000 pages