The Epson T1303 (C13T13034012) is a high capacity magenta ink cartridge available in a 1 pack, designed for users who need to print larger volumes of documents without frequent replacements. It utilizes DURABrite Ultra pigment-based ink, which ensures that your prints are more resistant to smudging and fading compared to standard dyes. With a capacity of 10.1 ml, this high capacity cartridge can produce approximately 600 pages, making it an efficient choice for home offices or small businesses. It is compatible with a wide range of printers, including the Stylus SX525WD and SX620FW series, the Stylus Office BX line such as the BX635FWD and BX935FWD, and various WorkForce models like the WF-3520DWF and WF-7525.