When buying air purifiers, it is recommended to try to buy them through regular channels such as large shopping malls, appliance stores, brand stores and mainstream e-commerce websites.

Air purifier is mainly composed of motor, fan, air filter screen system, its working principle is: the machine inside the motor and fan to make indoor air circulation flow, the air pollution through the air in the machine filter will all sorts of contaminant removal or adsorption, after the air ionization, produce a large number of negative ions, is the breeze fan out, form a negative ion airflow, achieve the goal of clean, purify air.

The indoor air is filled with particles, most of which are large, such as dust.Skipping the use of pre-filters may mean that your main screen filter will wear out faster.