Blueair Blue Pure 311i Max

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Quiet CADR (below 41 dBA) · speed 1

108CFM

Quietly cleans rooms up to ~162 sq ft

Max CADR

321 CFM

Rooms up to ~482 sq ft

Max noise

57.7 dBA

Filter lifespan

9 months

Dimensions

19.0 x 12.5 x 12.5

Basic Light dust & pollen324 sq ft quiet / 963 sq ft max

Recommended Everyday & allergies162 sq ft quiet / 482 sq ft max

Cooking / Wildfires Maximum protection101 sq ft quiet / 301 sq ft max