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、Uses the special ink of the printer Canon. The gray color is not reddish, flowing is good, does not agonic color, does not caulking, does not corrode the printing head which is 100% compatible with original ink.

3、Work the same as the original ink.

4、Canon special ink is 20元/100ml，90元/500ml,170元/1000ml.Use for IP4200/4300/4500/5300,MP500/530/610/830/810 and so on.