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What you might know is:
Taiwan has more than 180 days a year, and the good air quality is "unhealthy" or even "harmful" grade PM2.5 seriously exceeds the standard...
But what you will not know is:
The indoor and indoor air pollution is 5-10 times that of outdoor air. Taiwan has as many as 100,000 people every year, and they die from respiratory diseases...
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Prevent Pm2.5, air pollution, bacteria and mold from the root
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Taiwan has been damp for many years, and bacteria in the indoor space are breeding
Cause colds, allergies, runny nose...
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