1、Howsir Ink is filled through filtration（过滤） system for three times which clears away impurity granule（颗粒）, that avoids to jam the printer nozzle.

2、It is suitable to Epson, Hp, Canon, Lexmark, Brother, Lenovo which is 100% compatible with original ink.

3、Work the same as the original ink.

4、Black ink for HP is the pigment ink，which printing black pure, does not have the fragments, does not bleeding the paper, flowing is smoothly.

5、HP special ink is 30元/100ml，135元/500ml,260元/1000ml.