The product code C13T845298 (also known as the T8452 or T8452 Cyan) is a specific Cyan Ink Supply Unit (ISU) designed for certain high-capacity, high-speed Epson WorkForce Pro printers that use the Replaceable Ink Pack System (RIPS).
 
Color: Cyan
Model Number (T-Series): T8452
Type: Ink Cartridge (specifically for a printer that uses cartridges, not an ink bottle for EcoTank)
Compatibility: It is primarily designed for use with the Epson WorkForce Pro WF-R5691 printer.