Dreo 338 Air Purifier
#1 in Small roomsFull review
A cheap, certified bedroom purifier with auto mode for rooms under about 180 sq ft.
Amazon $59.98$59.98
3.5/5
A slim smart purifier for a bedroom, especially with pets. It cleans about as much air as the Core 300 but adds auto mode and Wi-Fi.
- 143 cfmSmoke CADR
- 222 sq ftRoom size
- $52.63/yearFilters
- 23 to 52 dBNoise
- 2 yearsWarranty
Check price at Amazon$119.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Slim shape fits beside a bed or against a wall
- Washable pre-filter catches pet hair before it reaches the main filter
- Auto mode and app control at a low price
Cons
- Sized for a bedroom, not a living room
- Infrared particle sensor is cruder than a laser sensor
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.
Specifications
| Model number | Vital 100S-P (LAP-V102S-WUS) |
|---|---|
| Performance | |
| Smoke CADR | 143 cfm |
| Dust CADR | 161 cfm |
| Pollen CADR | 173 cfm |
| PM2.5 CADR | 152 cfm |
| CADR certified by | AHAM Verifide |
| Room size (AHAM) | 222 sq ft |
| Noise | 23 to 52 dB |
| Efficiency | |
| Efficiency (IEF) | 3.6 cfm/W |
| ENERGY STAR | No |
| Energy use | 244 kWh/year |
| Power at top speed | 32 W |
| Filters | |
| Filter | HEPA |
| Activated carbon | Yes |
| Replacement | Vital 100S replacement filter |
| Replacement cost | $39.47 every 9 months |
| Yearly filter cost | $52.63/year |
| Ionizer | No |
| CARB certified (ozone) | Yes |
| Controls and build | |
| Air-quality sensor | particle (infrared) |
| Auto mode | Yes |
| Wi-Fi app | Yes |
| Fan speeds | 4 |
| Dimensions | 16.0 x 12.6 x 6.3 in |
| Weight | 8.6 lb |
| Warranty | 2 years |
Alternatives in this room size
Dreame TP5
#3 in Small roomsFull review
A frugal small purifier for a desk, nursery or small bedroom up to about 85 sq ft.
Amazon $49.99$49.99
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
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