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The Business Journal of the Greater Triad Area

HEPA: Yes | CADR Smoke: 410 | Auto mode: Yes | Filter lifespan: 6-9 months | Carbon filter: Integrated | Washable prefilter: Yes The Blueair Blue Pure 211i Max is about the size of a 50L kitchen trash can, and its CADR Smoke score of 410 CFM means it can quickly clean the air of rooms as large as 615 square feet on its own