Home › Compare › Blueair Blue Pure 211i Max vs Smart Air Blast Mini MK II
Blueair Blue Pure 211i Max vs Smart Air Blast Mini MK II
Both are extra large air purifiers. Blueair Blue Pure 211i Max scores 3.8 to 2.7 on our formula. It's also the cheaper of the two, which makes this an easy call.

Rating by rating
| Rating | Blueair Blue Pure 211i Max | Smart Air Blast Mini MK II |
|---|---|---|
| Overall | 3.8 | 2.7 |
| Value | 2.0 | 0.5 |
| Energy efficiency | 4.5 | 3.5 |
| Quietness | 5.0 | 2.0 |
| Filter cost | 3.5 | 4.5 |
| Certified CADR | 5.0 | 1.5 |
| Features | 4.0 | 1.0 |
| Tested performance | 3.5 | 3.5 |
Spec by spec
| Spec | Blueair Blue Pure 211i Max | Smart Air Blast Mini MK II |
|---|---|---|
| Price (USD) | 300 | 500 |
| $ per CADR | 0.8 | 1.1 |
| Smoke CADR | 400 | 435 |
| Dust CADR | 400 | 440 |
| Pollen CADR | 400 | 438 |
| AHAM room size (sq ft) | 620 | 674 |
| Max power (W) | 52 | 65 |
| CADR per watt | 7.7 | 6.7 |
| Noise low (dB) | 23 | 28 |
| Noise high (dB) | 53 | 57 |
| Filter cost per year | $140 | $110 |
| 5-year cost | $1,000 | $1,050 |
| Carbon (lb) | 0.3 | 0.3 |
| True HEPA | Yes | Yes |
| Auto mode | Yes | No |
| App | Yes | No |
| AHAM Verifide | Yes | No |
| Energy Star | Yes | No |
Green marks the better figure in each row. Prices are approximate street prices.
