Blue Pure 511 Replacement Filter Smokestop and a defrost function that

and a defrost function that keeps it running in temperatures down to 5°C

Airfree has none of those ongoing costs and is designed to operate 24/7 whilst consuming less electricity than a 50w light bulb

For the following models: P1

309 CFM (dust)

Less dense filters require less air pressure— resulting in quieter and more energy efficient air purifiers

Blue Pure 511 Replacement Filter Smokestop and a defrost function thatBlue Pure 511 Combination Filter Combined particle and carbon filter for the Blue Pure 511 air purifier. 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 means that the filtration