Jafanda JF280
#4 in Small roomsFull review
Strong value for a bedroom up to about 210 sq ft, with a PM2.5 sensor and auto mode at $60.
Amazon $59.99$59.99
The Jafanda JF280 is the better air purifier overall, rated 3.4 to 3.1. The Jafanda JF280 leads on auto mode, efficiency and value. The Levoit Core 300 wins on filter cost. The Jafanda JF280 costs $30 less ($59.99 vs $89.99).
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
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 Jafanda JF280 for auto mode (PM2.5 sensor, auto mode vs no air-quality sensor or app), efficiency (5.2 cfm per watt vs 2.7 cfm per watt) and value ($0.44 per cfm of smoke CADR vs $0.63 per cfm of smoke CADR).
- Choose the Levoit Core 300 for filter cost ($59.98 a year in filters vs $89.97 a year in filters).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small rooms air purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Jafanda JF280 | Levoit Core 300 |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 25% | 100 $0.44 per cfm of smoke CADR | 91 $0.63 per cfm of smoke CADR |
| Filter cost 20% | 19 $89.97 a year in filters | 54 $59.98 a year in filters |
| Quiet 20% | 50 noise at top speed not published (neutral score used) | 37 54.5 dB at top speed (maker rating) |
| Efficiency 15% | 40 5.2 cfm per watt | 9 2.7 cfm per watt |
| Auto mode 10% | 70 PM2.5 sensor, auto mode | 0 no air-quality sensor or app |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Jafanda JF280 | Levoit Core 300 | |
|---|---|---|
| Performance | ||
| Smoke CADR | 135 cfm | 143 cfm |
| Dust CADR | 143 cfm | 153 cfm |
| Pollen CADR | 164 cfm | 167 cfm |
| PM2.5 CADR | 139 cfm | 148 cfm |
| CADR certified by | AHAM Verifide | AHAM Verifide |
| Room size (AHAM) | 209 sq ft | 222 sq ft |
| Noise | 20 dB | 24 to 54.5 dB |
| Efficiency | ||
| Efficiency (IEF) | 5.2 cfm/W | 2.7 cfm/W |
| ENERGY STAR | No | No |
| Energy use | 168 kWh/year | 317 kWh/year |
| Power at top speed | - | 56 W |
| Filters | ||
| Filter | HEPA-type | HEPA |
| Activated carbon | Yes | Yes |
| Replacement | Filter-JA280 | Core 300 Series Original Filter |
| Replacement cost | $29.99 every 4 months | $29.99 every 6 months |
| Yearly filter cost | $89.97/year | $59.98/year |
| Ionizer | - | No |
| CARB certified (ozone) | Yes | Yes |
| Controls and build | ||
| Air-quality sensor | PM2.5 | None |
| Auto mode | Yes | No |
| Wi-Fi app | No | No |
| Fan speeds | 3 | 3 |
| Dimensions | 13.0 x 6.5 x 10.1 in | 14.2 x 8.7 x 8.7 in |
| Weight | 6.4 lb | 7.9 lb |
| Warranty | 2 years | 2 years |