Our remanufactured replacement for T603B00 (T603B) high capacity magenta inkjet cartridges are manufactured to deliver optimal performance and high quality printouts at a fraction of the cost of the Epson OEM T603B00 ink-jet cartridges. We offer a Two Year 100% Quality Satisfaction Guarantee on our remanufactured replacements for T603B00. We guarantee that you will be satisfied with the high quality print outs of our remanufactured replacement for the T603B00 (T603B) ink jet cartridges or your money back. Why pay double for a T603B00 brand name ink cartridge? Save 75% Compared to MSRP on the replacement for Epson T603B00.For use in the following printers: Epson Stylus Pro 7800, 7800 Professional Edition, 7880, 9800, 9800 Professional Edition, 9880, 9880 ColorBurst Edition. We are the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.