High Quality refill DYE ink ,manufactured in ISO 9001:2000 Certified Factory! 100% compatible with printer!100% compatible with the original ink, with high quality Germany material ink, the diameter of the material is below 20nm, fluent printing and similar to the original ink. This Ink is to be used with refillable cartridges and CISS systems. For the CIS system, refilling is simply removing the rubber plug on top of the reservoirs and injecting the ink into the holes. You can also utilize this kit if you are manually refilling your own cartridges using the chip resetter" or using other CIS systems.