Blue Pure 411 & 3210 Replacement Combination Filter heating Three layers of activated carbon

Three layers of activated carbon pellets give it an unusually high capacity for trapping common VOCs including formaldehyde

replace your filters approximately every six months when used 24 hours a day

As well as being silent

Many airborne pathogens have very slow precipitation rates

this filter uses pure

Blue Pure 411 & 3210 Replacement Combination Filter heating Three layers of activated carbonBlue Pure 411 & 3210 Combination Filter Combined particle and carbon filter for the Blueair Blue Pure 411 & Blue 3210 air purifiers. The combination filter cleans the air of particulate matter like pollen, dust, pet dander, mold spores, allergens, viruses and bacteria. The carbon filter also removes smoke, odors, gases and VOC's. Blueair's world leading filter technology uses a unique combination of both electrostatic and mechanical filtering, which