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Subscribe today and enjoy a 5% discount on all future filter orders, always free shipping, and other special offers. Simplify filter replacement and enjoy always clean air with four filter delivery options to fit your air purifier use. We recommend replacing your Blueair filter every 6 months for optimal performance.
The bottom part of each Pure 211 air purifier mainly consists of an advanced mechanical filter with the fan. Using this advanced combination of mechanical and electrostatic filtration, the Pure 211 catches airborne contaminants down to the size of viruses, plus pollen, dust, pet dander, mold spores, smoke, allergens and bacteria. The combination filter with active carbon even removes odors, gases and VOCs. And with its unique, 360° air intake, every Blue model is fully efficient wherever you place it.
Blue air purifiers can even help you redecorate your room in seconds, thanks to fabric pre-filters in different energizing colors. As a bonus, the pre-filter catches larger particles, extending the life of the main filter. Just gently vacuum it or put it in your washing machine when it requires cleaning.