The Levoit Core 400S is a smart air purifier built for larger living rooms, combining a high-output 3-stage filter with a laser sensor that continuously reads air quality.
Key features
- 3-stage filtration — a pre-filter, True HEPA filter and activated carbon layer capture 99.97% of particles down to 0.3 microns.
- AirSight Plus laser sensor — monitors PM2.5 in real time and adjusts fan speed automatically.
- Smart control — operate from the VeSync app, or with Alexa and Google Assistant.
- Sleep Mode — as quiet as 22 dB for overnight use in a bedroom or living room.
- Filter life indicator — shows remaining filter life so replacements are timed correctly.
Specifications
| CADR | 392 m³/h |
|---|---|
| Recommended room size | Up to 37 m² |
| Filter type | 3-stage: pre-filter, True HEPA, activated carbon |
| Noise level | 22–52 dB |
| Weight | 5 kg |
| Dimensions (H × W × D) | 52 × 27.4 × 27.4 cm |
Good to know
Coverage figures assume the manufacturer’s standard air-change rate; in a heavily used or larger room the purifier can still help but will cycle the air less often per hour.
