What are the parameters that you need to see when you buy an air purifier?
When choosing an air purifier, you must see if there is a HEPA filter
The consumption of air purifiers should also be emphasized
Noisy air purifiers use annoying during the day, and use it at night is noisy all night, can not sleep well, so choose a super quiet air purifier is very important
The performance of air purifier is mainly determined by the ratio of clean air output (CADR), and the higher the output ratio of clean air, the higher the purification efficiency of the purifier
