Levoit Core 300S Smart Air Purifier
A compact smart HEPA purifier for bedrooms and small living rooms - app-controlled, quiet in sleep mode, and completely plug-in for rented homes.
4.4 / 5
★★★★★ ★★★★★ Highly recommended
Strengths
- Strong measured cleaning for its size - independent testing recorded ~94% particulate reduction in an hour in a small room
- Laser particle sensor plus auto mode means it manages itself day to day
- Genuinely quiet sleep mode with a display-off option for bedrooms
Watch outs
- Top fan speed is noticeably loud - measured in the mid-60s dBA up close
- Recurring filter cost every 6-8 months is the real price of ownership
- Activated carbon layer is thin - heavy cooking or smoke odours outpace it
- Filtration 3-stage: pre-filter, true HEPA (marketed as H13 on UK listings) and activated carbon
- CADR 240 m3/h per the official 300S-P page; the current UK Amazon listing quotes 258 m3/h
- Coverage Best at ~20 m2 (4.8 air changes/hour); UK listing quotes up to 108 m2 at one change/hour
- Noise 22-50 dB rated (sleep mode to max)
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By Rob Griffiths1 min read
- Filtration
- 3-stage: pre-filter, true HEPA (marketed as H13 on UK listings) and activated carbon
- CADR
- 240 m3/h per the official 300S-P page; the current UK Amazon listing quotes 258 m3/h
- Coverage
- Best at ~20 m2 (4.8 air changes/hour); UK listing quotes up to 108 m2 at one change/hour
- Noise
- 22-50 dB rated (sleep mode to max)
- Power
- About 23 W
- Dimensions
- 22 x 22 x 36 cm
- Weight
- 2.7 kg
- Smart features
- VeSync app, laser PM2.5 sensor, auto mode, sleep mode, 1-24 h timer, Alexa and Google Assistant
- Filter replacement
- Combined cartridge, roughly every 6-8 months (shared with the Core 300)
- Subscription
- None - app and all features are free