liquid filtration

How to choose water purifier? What indicators?

In the city, the water contains chlorine, the heterochromatic odor is heavier, the organic content is more, can choose the household water purifier with more activated carbon load.

Why is the raw material of filter element PP ?

Most of the household water purifier or pure water machine first filter element is used are PP filter element, the first filter element will not only directly affect the water qual