This genuine Epson T6731 refill bottle contains a full 70ml of original black ink, allowing you to produce incredible results from your home or office. There is no need for the replacement of tiny (and wasteful) ink cartridges with this range of refills, the Epson C13T67314A can be used to top up the substantial black reservoir in your inkjet printer easily and can then be left for many prints before the task needs repeating.You can use the Epson C13T67314A in several EcoTank printers, including the L1800. When buying the Epson T6731 ink refill bottle, you can be assured of trouble-free printing for an extended period and are sure to be impressed with the results.