2015年2月6日星期五

Five types of air purifier

The types of air purifiers on the market at present mainly divided into the following several kinds:

negative ion air purifier, air purifier, photocatalytic air purifier, ozone activated carbon (ros) air purifier, formaldehyde scavenger.


The article is provide from【Lanjia Water Ionizer】,please indicate the source address reprinted: 
http://www.homehealthywater.com/health-care-knowledge/1420.html

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