Why should we use the air purifier?
With the advent of summer, blue sky day more and more. Maybe when you think back, at the end of last year that part of dark clouds, haze raging, even breathing is not a free day, I was thinking: finally bid farewell to the haze, you can rest assured that a breath of fresh air. Summer haze regardless of the severity or duration is well below the winter, however, other types of indoor pollution was significantly higher than in winter. Maybe...