First, the water purifier is also called the water purifier.

According to the filter structure, it is divided into RO reverse osmosis water purifier, ultrafiltration membrane water purifier, energy water purifier and ceramic water purifier.

RO reverse osmosis water purifier comes standard with 5 stages of filtration, namely:

The first stage is PP cotton, which is a primary filtration, mainly filtering large particles visible to the naked eye, such as sediment and rust.

The second stage is granular carbon, which has a strong interception effect on organic matter and inorganic colloid in water, and has the functions of deodorization, odor removal, residual chlorine removal and decoloration.

The third stage is compressed carbon, which has a good removal effect on odor, residual chlorine, aromatic hydrocarbon and COD.

The fourth stage is RO reverse osmosis membrane, the pore size of which is 0.000 1 micron (0. 1 nanometer). A bacterium has to be reduced by 4000 times, and an infectious virus has to be reduced by more than 200 times before it can pass, so it is ok.

Effectively remove harmful substances such as bacteria, viruses, heavy metal ions and pesticide residues in water.

The fifth stage is the post-activated carbon (also called small T33) stage 5; Using the adsorption principle of activated carbon, residual chlorine and toxic and harmful substances in water can be effectively removed, and the water quality and taste can be improved.

Ultrafiltration water purifier is mainly ultrafiltration membrane, supplemented by other filter elements such as activated carbon (excluding energy filter element). Ultrafiltration water purifiers are divided into vertical and horizontal types according to installation methods.

The vertical ultrafiltration water purifier consists of PP cotton, granular activated carbon, compressed activated carbon, external pressure ultrafiltration membrane and T33.

Horizontal ultrafiltration water purifier "commonly known as pipeline ultrafiltration machine" consists of stainless steel shell, internal pressure ultrafiltration membrane and KDF.

Ultrafiltration water purifier has 3 to 12 filter elements, which are generally composed of PP cotton filter element, carbon filter element, ultrafiltration membrane, alkaline weak alkali dechlorination and other functional filter elements.

Second, the price of household water purifiers ranges from 500 to 8000. Generally, the ultrafiltration machine has at least 5 stages and at most 13 stages. RO water purifier comes standard with 5-stage filtration, and the prices of different brands vary greatly, so it should be verified by many parties before buying.

Third, the more popular brands in the market are Midea, Hamilton and Qinyuan. Pay attention to the following points when purchasing a water purifier:

First of all, look at the local water quality, whether to use RO machine or ultrafiltration machine.

Second, look at the service level and attitude of dealers.

Third, look at the price level you accept.

Fourth, look at after-sales service

Fifth, look at the appearance of the product, like it or not.

Sixth, look at the product function, whether it is suitable for use,

Seventh, look at the daily drinking water, 75G or 50G.

-Listen and see more, understand first, and then choose!

Fourth, it is recommended to choose Hamilton water purifier | High-end quality water purifier experts have high cost performance, good service and guaranteed water quality.