The Epson T1803 Magenta Compatible Ink Cartridge by JetTec - E18M cartridge is a JetTec branded compatible printer ink cartridge for Epson printers. They provide OEM style quality printing but at a fraction of the cost of original. Jet Tec inkjet cartridges are made in the United Kingdom and are compatible with the latest and most popular types of printers. The quality of JetTec products is second to none. JetTec is also an ISO 9001 registered company and ISO 9001 procedures are applied throughout the entire manufacturing process. JetTec ink jet printer cartridges can act as high quality replacements for Epson coded genuine products.