This is a professionally remanufactured Epson T034320 magenta pigment-based ink cartridge. It is an original Epson cartridge that has been thoroughly cleaned and refilled with ink that conforms to original specifications. The cartridge is 100% compatible with original Epson ink and has undergone rigorous testing to ensure quality and reliability. The ink monitoring chip has been reset to provide accurate ink level readings. We offer a 100% Quality Satisfaction Guarantee on our remanufactured T034320 ink cartridge.