Blueair 200 Series Particle Filter is the ideal choice for allergy sufferers and other health-conscious individuals that need high-efficiency particle removal. The filter is one polypropylene 3-stage progressive filter that contains millions of ultra-thin fibers with each state trapping progessively smaller harmful particles as they pass through the pleats. The Blueair 3-stage progressive filter effectively removes every type of particulate air pollutants, including allergens, pollen, mold spores, dust, pet dander, bacteria, and viruses.

　　- 99.97% filtration efficiency

　　- Our nontoxic polypropylene filter contains millions of ultra- thin fibers that trap tiny particles as they pass through the pleats

　　- It eliminates bacteria, viruses and mold naturally, without chemical additives also captures more dirt than competitive systems. And as used filters are discarded and decompose, the filter media converts into harmless carbon dioxide and water

　　- Efficiency is measured on level 1