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HEPA is only for particulate contaminants. At least some of the expensive filters have activated charcoal and other chemical filters.
by amanfredi 12y ago
HEPA is only for particulate contaminants. At least some of the expensive filters have activated charcoal and other chemical filters.
- hcarvalhoalves 12y ago> At least some of the expensive filters have activated charcoal Activated carbon is effective just to remove odors and nothing more. It's not expensive either, it's like $ 10/kg retail. A high-end filter is more likely to work with ionization. [1] [1] http://www.amazon.com/Sharp-FPA80UW-Plasmacluster-Purifier-Filter/dp/B0067X12EW/ref=cm_cr_pr_product_top http://www.amazon.com/Sharp-FPA80UW-Plasmacluster-Purifier-F...