Product name:KSUMEI Refill replacement for EcoTank Net content:100 m l× 4 Color parameters:Black/Cyan/Magenta/Yellow Using tips? 1. When choosing compatible ink, it needs to match with the above-mentioned type of printer. It can not be mixed, otherwise it may cause color distortion. 2. This ink is not edible, do not place in the children can reach the place, in order to avoid ingestion. Maintenance recommendations: 1.EcoTank compatible refill ink shelf life is generally two years, ink storage requirements sealed, avoid direct sunlight, temperature should not be too high or too low (normal room temperature can). 2.Ink should be stored in a cool and backlit place, in cartons or containers of other materials, and stored separately to avoid debris accumulation and damage caused by overloading. 3.Ink composition is particularly volatile, ink must be sealed and stored.