... drinking,pls keep our filter element in cold water for about 20mins , while 10mins in hot water.Applications:constipation,jaded appetite,bellyache,abdominal ... on.Also used in subhealthy crowd.Attention:When you use it for the first time,pls put filter element in warm water for 20 ... It can be used on running water,mineral water,purified water;5)Long lifetime:One person can use it for 5years,filter 2000- ...