Blueair Blue Pure 211i Max vs Blueair Blue Signature
Blueair Blue Pure 211i Max costs $349, against $449 for Blueair Blue Signature.
CADR smoke (rated): 410 cfm on Blueair Blue Pure 211i Max, 455 cfm on Blueair Blue Signature.
Coverage at 4.8 air changes per hour (rated): 635 sq ft on Blueair Blue Pure 211i Max, 705 sq ft on Blueair Blue Signature.
Noise, top speed (rated): 53 dB on Blueair Blue Pure 211i Max, 55 dB on Blueair Blue Signature.
| Blueair Blue Pure 211i Max | Blueair Blue Signature | |
|---|---|---|
| Price | $349 | $449 |
| CADR smoke (rated) | 410 cfm | 455 cfm |
| CADR pollen (rated) | 410 cfm | 450 cfm |
| Coverage at 4.8 air changes per hour (rated) | 635 sq ft | 705 sq ft |
| Noise, top speed (rated) | 53 dB | 55 dB |
| Weight | 16.2 lb | 13.2 lb |
| ENERGY STAR | Certified, per vendor listing | Certified, per vendor listing |
| CADR dust (rated) | Not listed | 434 cfm |
| See Blueair Blue Pure 211i Max | See Blueair Blue Signature |
Prices checked November 2, 2026.
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