Blueair Blue Pure 311i Max
#3 in Large roomsFull review
A mid-size, efficient purifier with app control for bedrooms and living rooms up to about 440 sq ft.
Amazon $229$229
The Blueair Blue Pure 311i Max is the better air purifier overall, rated 3.8 to 3.7. The Blueair Blue Pure 311i Max leads on efficiency and quiet. The Levoit Vital 200S wins on filter cost, value and warranty. The Levoit Vital 200S costs $59.01 less ($169.99 vs $229).
Levoit Vital 200S
#7 in Large roomsFull review
A good-value living-room purifier for pet owners, with about the same airflow as pricier rivals.
Amazon $169.99$169.99
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Blueair Blue Pure 311i Max for efficiency (8.4 cfm per watt vs 4.7 cfm per watt) and quiet (50 dB at top speed (maker rating) vs 54 dB at top speed (maker rating)).
- Choose the Levoit Vital 200S for filter cost ($49.99 a year in filters vs $89.98 a year in filters), value ($0.68 per cfm of smoke CADR vs $0.81 per cfm of smoke CADR) and warranty (2-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large rooms air purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Blueair Blue Pure 311i Max | Levoit Vital 200S |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Value 25% | 69 $0.81 per cfm of smoke CADR | 80 $0.68 per cfm of smoke CADR |
| Filter cost 20% | 69 $89.98 a year in filters | 86 $49.99 a year in filters |
| Quiet 20% | 67 50 dB at top speed (maker rating) | 40 54 dB at top speed (maker rating) |
| Efficiency 15% | 80 8.4 cfm per watt | 34 4.7 cfm per watt |
| Auto mode 10% | 100 particle sensor and Wi-Fi app | 100 particle (infrared) sensor and Wi-Fi app |
| Warranty 10% | 0 1-year warranty | 25 2-year warranty |
Specifications
| Blueair Blue Pure 311i Max | Levoit Vital 200S | |
|---|---|---|
| Performance | ||
| Smoke CADR | 283 cfm | 250 cfm |
| Dust CADR | 314 cfm | 254 cfm |
| Pollen CADR | 365 cfm | 289 cfm |
| PM2.5 CADR | 298 cfm | 252 cfm |
| CADR certified by | AHAM Verifide | AHAM Verifide |
| Room size (AHAM) | 439 sq ft | 388 sq ft |
| Coverage (maker) | 2,107 sq ft | 1,875 sq ft |
| Noise | 23 to 50 dB | 23 to 54 dB |
| Efficiency | ||
| Efficiency (IEF) | 8.4 cfm/W | 4.7 cfm/W |
| ENERGY STAR | Yes | No |
| Energy use | 193 kWh/year | 314 kWh/year |
| Power at top speed | 32 W | 51 W |
| Filters | ||
| Filter | HEPASilent particle filter with washable fabric pre-filter | HEPA |
| Activated carbon | - | Yes |
| Replacement | F3MAX (110037) | Vital 200S replacement filter |
| Replacement cost | $44.99 every 6 months | $49.99 every 12 months |
| Yearly filter cost | $89.98/year | $49.99/year |
| Ionizer | - | No |
| CARB certified (ozone) | Yes | Yes |
| Controls and build | ||
| Air-quality sensor | particle | particle (infrared) |
| Auto mode | Yes | Yes |
| Wi-Fi app | Yes | Yes |
| Fan speeds | 4 | 4 |
| Dimensions | 19 x 12.5 x 12.5 in | 19.8 x 15.6 x 8.5 in |
| Weight | 7.8 lb | 13.2 lb |
| Warranty | 1 years | 2 years |