Blue Pure 411 & 3210 Replacement Combination Filter heating Makes hard water soft and

Makes hard water soft and reduced undesirable emissions of calcium particles

Pro XL Requires three

this filter uses pure

As well as being silent

Contaminants are instantly converted to harmless substances when irradiated with UV light

Blue Pure 411 & 3210 Replacement Combination Filter heating Makes hard water soft andBlue 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