What's include:

   6 Fluid ounces of black refill ink

   Complete refill instructions and pictures link

These inks are specially formulated and manufactured according to the strictest and highest requirement and specifications. Our ink is nano meter scale filtered to ensure stable and fluent printing and to prevent print nozzle blockages. The Printed pictures offer a vivid black output. Also, the fade resistance is as good as the retail grade. Please note that these are compatible inks and they are not manufactured nor endorsed by Epson. Designed for refills with CIS and "refillable" cartridges, will work with OEM cartridges but buyer must make a small opening in top of cartridge. Anti-UV dye based ink so your prints last longer. 

A continuous ink system (CIS), also known as a continuous ink supply system (CISS), a continuous flow system, an automatic ink refill system, a bulk feed ink system, or an off-axis ink delivery system is a method for delivering a large volume of liquid ink to a comparatively small inkjet print head.

Designed for Epson cartridges numbers:

48, 60, 68, 69, 78, 79, 87, 97, 98, 124, 125, 127, 

200, 220, 252, 254, 273, 277, 286, 288, 410, 600, 676

700, 710, 725, 730, 786, 800, 810, 835, 837

WFPro-2660, WFPro-3620, WFPro-3640, WFPro-4630, WFPro-4640, 

WFPro-5110, WFPro-5190, WFPro-5620, WFPro-5690,

WF-7610, WF-7620, WF-7110

Note: May be provided in a variety of packing containers, buyers are responsible for their own refill procedures.