Compatible Epson Inkjet Ink, there are different types of printer ink these products are for use only in Epson ink cartridges and CISS systems.

Please Note dye based ink : Use this compatible epson dye based ink if you do not use your printer that often, dye ink is usually water or glycol based so flows through the cartridge printhead easy.Dye-based inks are super sharp for text and create rich,vibrant colours in your images. 

So just to sum up Dye based ink is great for your day to day printing and is cheaper to purchase, Pigment Ink is for photographs, brochures etc and will give you deeper rich colours but is more expensive.