- CADR
- 141 CFM (240 m3/h)
- Room Coverage
- 219 sq ft at 4.8 ACH / up to 1,051 sq ft at 1 ACH
- Noise Level
- 22-50 dB
- Filtration
- 3-stage: pre-filter, H13 True HEPA, activated carbon
- Replacement Filter Cost
- $29.99-$39.99
- Dimensions
- 8.7 x 8.7 x 14.2 in
- App Control
- VeSync app, Alexa and Google Assistant voice control
- Power Draw
- 23W rated (about 21.8W at top speed)
Levoit
Levoit Core 300S
A compact, quiet HEPA purifier built for small to medium bedrooms.
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All prices
| Store | Price | Checked | |
|---|---|---|---|
| Levoit Best price | $149.99 | ✓ OCT 11 | Go to store |
Prices were checked on the dates shown and can change at any time. The store page is always authoritative. Shipping and taxes are not included.
| 2026-10-11 | Levoit | $149.99 |
| 2026-10-04 | Levoit | $149.99 |
| 2026-09-27 | Levoit | $149.99 |
| 2026-09-20 | Levoit | $149.99 |
| 2026-09-17 | Levoit | $149.99 |
| 2026-09-16 | Levoit | $149.99 |
| 2026-08-30 | Levoit | $149.99 |
| 2026-08-26 | Levoit | $149.99 |
| 2026-08-17 | Levoit | $149.99 |
Each line is the price we verified on that date.
Our verdict
Where it wins
- Runs near-silent on low and sleep settings, good for light sleepers
- Real-time air quality sensor drives an automatic mode
- Affordable filter replacements keep running costs low
- Compact footprint fits a nightstand or small bedroom
Where it loses
- VeSync app has recurring connectivity and "device offline" bugs reported by users
- Single sensor gives less granular readings than pricier models
- Full-strength 4.8 ACH coverage is limited to rooms under about 220 sq ft
The Core 300S is a small, quiet purifier that handles a typical bedroom without dominating a nightstand. It won't keep up with large open rooms, and the companion app is the weak point, but the air cleaning itself is solid for the price.
Also in air purifiers
Blueair Blue Pure 511i Max
A small, whisper-quiet smart purifier built for bedrooms and nurseries.
Coway Airmega AP-1512HH (Mighty)
A veteran HEPA purifier with strong CADR numbers, sized for bedrooms and home offices.
More on the Levoit Core 300S
Common questions
What room size is the Levoit Core 300S rated for?
Levoit rates it for up to 219 sq ft at the recommended 4.8 air changes per hour, or larger rooms up to about 1,051 sq ft at a lower 1 ACH.
How loud is it on the lowest setting?
Levoit lists a noise range of 22-50 dB, with the lowest sleep-mode setting near the quiet end of that range.
How often do the filters need replacing?
Levoit recommends replacing the 3-in-1 filter roughly every 6-8 months depending on use; replacements run around $30 to $40.
Prices last verified Oct 11, 2026.