Somebody easy to catch a cold and weakened immunity all caused by bad air.
Motor vehicle exhaust make too much pm2.5 in the air.
We need car air purifier to clean the bad air. give you a good air to breath.
And also you can use handheld particle counter to test air quality.
www.homehealthywater.com
www.skin-analyzer.com
www.ionaircleaner.com
The article is provide from [Lanjia Water Ionizer], please indicate the source address
reprinted: http://homehealthywater.com/health-care-knowledge/1724.html
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