Frequently asked questions

Here are the answers to questions that you may have about Blueair filters.

• What type of Blueair filter do I need? >

• What are Blueair filters made of? > 

• Can Blueair systems remove indoor gases? >

• Can Blueair systems trap bacteria? > 

• How often should I change the filter? >

• What does HEPA stand for? >

• How does HEPASilent technology achieve such high levels of filtration? >
• How small is a micron and why does it matter? >

Blueair helps protect against the flu

The flu season is in full swing in many countries around the world. In addition to cleaning indoor air, Blueair air purifiers can even help protect users against flu viruses. Discover how here >

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