The first stage is filter element, also called PP cotton, the second stage is granular activated carbon, the third stage is precision compressed activated carbon, the fourth stage is reverse osmosis membrane or ultrafiltration membrane, and the fifth stage is post activated carbon.
The water purifier is not only suitable for areas with serious tap water pollution, but also can filter residual chlorine in conventional tap water and improve the taste of water.
What kind of water purifier does Yancheng water quality need to buy? If the water quality of Yancheng cannot be identified by itself, it is best to buy a pure water machine-made water.
Thousands of wild water purifiers are not bad, and some friends have installed several.