Levoit Core 300
#9 in Small roomsFull review
A simple, proven purifier for a bedroom or small living room. Buy the Core 300S only if you want auto mode and app control.
Amazon $89.99$89.99
2.7/5
A cheap personal purifier for a desk or nightstand, not a room. Buy it only to clean the air right around you.
- 31 cfmSmoke CADR
- 48 sq ftRoom size
- $67.96/yearFilters
- 22 dBNoise
- 1 yearsWarranty
Check price at Amazon$29.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Costs $30, and filters cost $17
- Small and light enough for a desk or nightstand
- Low power use
Cons
- Certified for only about 48 sq ft, far less than the 287 sq ft on the box
- HouseFresh measured 48 dB at the top speed, loud for so little airflow
- No sensor or auto mode
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its room size. How we rank explains each one.
Independent measurements
Clean air delivery and noise measured by independent reviewers.
| Tested by | CADR | Noise | Conditions |
|---|---|---|---|
| HouseFresh | - | 48.1 dB | Speed 1: 39.8 dB, 13.4 W; speed 2: 48.1 dB, 16.3 W. HouseFresh estimated about 25 cfm from its decay test but published no measured CADR. |
Specifications
| Model number | MK01A |
|---|---|
| Performance | |
| Smoke CADR | 31 cfm |
| Dust CADR | 33 cfm |
| Pollen CADR | 36 cfm |
| PM2.5 CADR | 32 cfm |
| CADR certified by | ENERGY STAR |
| Room size (AHAM) | 48 sq ft |
| Coverage (maker) | 287 sq ft |
| Noise | 22 dB |
| Efficiency | |
| Efficiency (IEF) | 5.4 cfm/W |
| ENERGY STAR | Yes |
| Energy use | 33 kWh/year |
| Filters | |
| Filter | HEPA-type |
| Replacement | MK01LX |
| Replacement cost | $16.99 every 3 months |
| Yearly filter cost | $67.96/year |
| CARB certified (ozone) | Yes |
| Controls and build | |
| Air-quality sensor | None |
| Auto mode | No |
| Wi-Fi app | No |
| Dimensions | 9.7 x 6.1 x 6.1 in |
| Weight | 3 lb |
| Warranty | 1 years |
Alternatives in this room size
GoveeLife Air Purifier Lite H7126
#10 in Small roomsFull review
A Wi-Fi mini purifier for a desk or a very small bedroom, for people who want app scheduling. It moves too little air for a normal room.
Amazon $39.99$39.99
Jafanda JF068
#11 in Small roomsFull review
A portable personal purifier for a desk or nightstand. It suits small spaces, not whole rooms.
Amazon $34.99$34.99
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