A good-value living-room purifier for pet owners, with about the same airflow as pricier rivals.
Amazon $169.99The Levoit Vital 200S rates 3.7 among large rooms air purifiers; the Medify MA-40 rates 2.9 among medium rooms ones. The Levoit Vital 200S costs $80 less ($169.99 vs $249.99).

A mid-to-large-room HEPA purifier with cheap filters, for living rooms where noise isn’t a concern.
Amazon $249.99Prices 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.
Scores side by side
These two sit in different room size classes (large rooms and medium rooms), and each is scored against the reference points for its own class, so a rating says how well each does among its own room size peers. How we rank explains each factor.
| Factor weight | Levoit Vital 200S | Medify MA-40 |
|---|---|---|
| Overall rating | 3.7/5 | 2.9/5 |
| Value 25% | 80 $0.68 per cfm of smoke CADR | 58 $1.05 per cfm of smoke CADR |
| Filter cost 20% | 86 $49.99 a year in filters | 66 $80.34 a year in filters |
| Quiet 20% | 40 54 dB at top speed (maker rating) | 0 66 dB at top speed (maker rating) |
| Efficiency 15% | 34 4.7 cfm per watt | 50 efficiency not certified (neutral score used) |
| Auto mode 10% | 100 particle (infrared) sensor and Wi-Fi app | 0 no air-quality sensor or app |
| Warranty 10% | 25 2-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Levoit Vital 200S | Medify MA-40 | |
|---|---|---|
| Performance | ||
| Smoke CADR | 250 cfm | 239 cfm |
| Dust CADR | 254 cfm | 231 cfm |
| Pollen CADR | 289 cfm | 240 cfm |
| PM2.5 CADR | 252 cfm | 235 cfm |
| CADR certified by | AHAM Verifide | AHAM Verifide |
| Room size (AHAM) | 388 sq ft | 370 sq ft |
| Coverage (maker) | 1,875 sq ft | 1,793 sq ft |
| Noise | 23 to 54 dB | 46 to 66 dB |
| Efficiency | ||
| Efficiency (IEF) | 4.7 cfm/W | - |
| ENERGY STAR | No | No |
| Energy use | 314 kWh/year | - |
| Power at top speed | 51 W | - |
| Filters | ||
| Filter | HEPA | H13 HEPA 3-in-1 (pre-filter, carbon, HEPA) |
| Activated carbon | Yes | Yes |
| Replacement | Vital 200S replacement filter | MA-40 replacement filter |
| Replacement cost | $49.99 every 12 months | $40.17 every 6 months |
| Yearly filter cost | $49.99/year | $80.34/year |
| Ionizer | No | - |
| CARB certified (ozone) | Yes | Yes |
| Controls and build | ||
| Air-quality sensor | particle (infrared) | None |
| Auto mode | Yes | No |
| Wi-Fi app | Yes | No |
| Fan speeds | 4 | 3 |
| Dimensions | 19.8 x 15.6 x 8.5 in | 22 x 10.9 x 9.9 in |
| Weight | 13.2 lb | 15 lb |
| Warranty | 2 years | - |