1. Look at the output efficiency of purified air: the main function of an air purifier is to purify harmful substances in the air and keep the air quality fresh. Therefore, when purchasing an indoor air cleaner you must understand the output efficiency of the equipment. The higher the efficiency, the better the purification. The ability is better.
2. Look at the function of purifying the air: However, with the development of the market, all producers have worked hard to research, and now the functions of air purifiers are more and more complete, but the more functions you pay attention to, the more expensive the price will be. And go.
3. Look at the safety of the purifier: Many electronic devices on the market will use negative ion technology. Although it can effectively sterilize and disinfect, it will generate a large amount of ozone after use, resulting in secondary air pollution. In severe cases , may affect the health of the family, so when purchasing, try to choose activated carbon technology, which is relatively safe.
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