This is a genuine Epson T048520 ink cartridge in cyan color. It is a single unit cartridge compatible with Epson printers, specifically the R200, R220, R300, R320, R340, RX500, RX600, and RX620 models. The print technology used is inkjet. This cartridge has a SKU of 1365657 and an expiration date of MM/YYYY (specifically expires in 2012). It is ideal for those who need to replenish their printer ink and want to ensure that they are using a trusted brand.