Praised by reviewers for it's quietness and easy-to-operate system, the air purifier is also equipped with a true HEPA filter ...

The fan has an auto-adjust feature that increases and decreases its purification progress, making for easy all-day operation.

Some air purifiers come with caster wheels or a carry ... If noise levels are a deal breaker, the Blueair Blue Pure 211+ Auto is a quieter device. What extra features do you need?: ...

Additionally, the air purifier has a helpful air quality indicator ... plus, thanks to its auto mode, the fan automatically shuts off if it doesn’t sense any pollution for 30 minutes to conserve ...

“A general rule of thumb is to choose an air purifier with a CADR rating that is at least two-thirds the size of the room in ...