Are air purifiers still necessary?

        Since the rapid development of industry and construction, air quality is getting worse and worse, especially the smog in the north is getting worse and worse, so many families start to use air purifiers. For a product where there is a demand there will be a market, and where there is a market there will be competition. So now the homogenization of air purifiers is very problematic, which also makes consumers begin to question whether air purifiers are worth buying? 

Now air pollution is really everywhere, the haze is so serious, and the air purifier can really purify the air, air purifier to dust, formaldehyde, PM2.5 is more, home asthma or children to buy a good. At present, the mainstream air purifiers in the market include 3M, Philips and Panasonic. You can compare them, but 3M has a sterilizing function, while others seem to have no function. If you have children, you can consider buying them."

Air purifier is not born because of PM2.5, it has many other functions, after all, air pollution is not only PM2.5, formaldehyde, benzene and other TVOC pollution is actually the king of air pollution. If there are no conditions often open a window ventilated, or outdoor pollution is serious, also can buy air purifier, but it is important to note that not all air purifier can in addition to formaldehyde, can rise the effect of air purifier in addition to formaldehyde on the page will be marked with the words "formaldehyde CADR", this value, the greater the To a certain extent, the greater the efficiency of formaldehyde purification.

In fact, the air purifier has another advantage -- to prevent falling ash. After it is opened, the air purifier is like a large vacuum cleaner, constantly replacing the indoor air. The dust particles, viruses and bacteria suspended in the air can be inhaled, which is not easy to cause allergies and is very useful for susceptible people.