Summer also to protect health–Olansi air purifier
Winter air to the use of air purifiers, hot summer can put the air purifier put up. If you really want it, it would be completely mistaken. Although in the summer, but there is still a lot of city air quality problems from time to time out, even if the weather is no longer so arrogant, air pollution is still not let down. The air purifier should not be put into the corner. Winter air to the use of air [...]