Epson 664 EcoTank 4 Colour Ink Cartridge 70ml Multipack - C13T664640 Keeping printing costs to a minimum is easy with this EcoTank ink. From one set, it can produce an impressive 4,500 pages in black and 7,500 in colour - that's a great solution for busy households that print lots. With four-colour dye inks, it provides an ultra-low-cost and reliable solution for printing everyday documents.