Air Purifier Review – 5 Key Factors Model
Tuesday, September 29th, 2009Previously we had 4 key factors but now it is the 5 Key Factors Model. With reference to our preceding post, we have now included Scientific Peer Review as the fifth key factor in our air purifier review model.
Regardless of how credible the air purifier manufacturer may be, the lack of scientific peer reviews is [...]
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