I think it is quite necessary. Laika LAICA water purification and health care pot is really powerful. It can not only cook some health products such as soup and bird's nest, but also purify water. It uses the filter element imported from Italy, and the filtering effect is very good. The filtered water is safer to drink. It is worth mentioning that its face value is really high, which makes people shine. I chose a new green color, which gives people a very fresh feeling of dating.