How to choose an air purifier at home and how to use it effectively

　　The air purifier has a certain effect on purifying the air. When choosing, pay attention to the following three points: first, you must clarify the purpose of use, you must choose a purifier that has a purification effect on PM2.5; second, you must pay attention to the performance indicators of the air purifier, according to national standards, a truly effective air The purifier should be an air purifier with "three highs and one low":

　　High clean air volume: Clean air volume (CADR) is an air purifier's purification efficiency index for medical air purifiers. The larger the CADR value, the stronger the disinfector's purification ability and the better the purification effect.

　　High cumulative purification capacity: The higher the cumulative purification capacity (CCM) value, the more pollutants are purified, and the longer the filter life is.

　　High energy efficiency value: The higher the energy efficiency level, the more power saving.

　　Low noise level: The working noise of the instrument is generally lower than 50 decibels, which is relatively quiet. You can observe the prototype for intuitive experience when purchasing.

　　The air purification and disinfection device 　　 the third air purifier must achieve the purification effect according to the room area, the power of the purifier and the purification efficiency, etc., and the pollution degree of indoor pollutants can be effectively reduced after being continuously turned on for a certain period of time. Please pay attention to the product manual when purchasing. Generally, the test report or qualification certificate issued by the air purification effect testing unit is indicated on the product manual. No experimental conditions are given, and products that are too simple or even expressed should be carefully re-purchased with wall-mounted purifiers.

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