“Eliminates 99.97% of air pollutants,” reads the description of Hathaspace HSP-001, an air purifier with a 6-in-1 filtration system. But don’t all air purifiers promise the same thing? How effective is the HSP-001? Does it deliver good results? Only previous buyers can say for sure. So, in this Hathaspace HSP-001 air purifier review, we give …