Levoit Core 600S Smart Air Purifier
Levoit
Strong research
Blueair
Blueair Blue Max 3250i Air Purifier
Promising research
£169typical price
Best for: Medium bedrooms and living rooms where very low noise and energy use matter
Buy now at Amazon- CADR 239 m³/h (Expert Reviews)
- 18 to 46 dB (brand)
We may earn a commission if you buy through our links.
CADR 239 m³/h (Expert Reviews)
- Filter
- HEPASilent (electrostatic plus mechanical) with carbon
- Power w
- 3 to 19.3 measured
- Cadr m3h
- 239
Where we checked it: johnlewis.com ›
Compare where to buy
We may earn a commission if you buy through our links. How we choose ›
Why we picked it
Expert Reviews tested it, recording 3 W on its lowest setting, about 19 W at full speed and fast clean-up of a spray test, and gave it a Recommended badge.
Best for
Medium bedrooms and living rooms where very low noise and energy use matter
Not for
People who specifically want a mechanical H13 HEPA filter
The details that matter.
- • CADR 239 m³/h (Expert Reviews)
- • 18 to 46 dB (brand)
- • 3 W to 19.3 W measured
- • Filter every 6 to 9 months
Specifications
- Filter
- HEPASilent (electrostatic plus mechanical) with carbon
- Power w
- 3 to 19.3 measured
- Cadr m3h
- 239
- Noise db
- 18 to 46 (brand); 37.9 medium measured
- Room size
- Up to 48 m² (brand)
How strong is the research? What our grades mean ›
- Strong research
- Independent certification or lab data for the specific claim.
- Promising research
- The material is well supported, but there is no product-level testing.
- Early research
- Little independent research.
- Mixed research
- Research findings disagree.
- £
- Under £20
- ££
- £20 to £79
- £££
- £80+
Compare with similar
| Feature |  |  |  |  |
|---|---|---|---|---|
| Price | £169 typical | £149.99 typical | £129 | £139.99 |
| Filter | HEPASilent (electrostatic plus mechanical) with carbon | Pre-filter, HEPA (99.97% stated), carbon | HEPA (99.985% stated) plus carbon | Pre-filter plus HEPA NanoProtection with carbon |
| Noise db | 18 to 46 (brand); 37.9 medium measured | 22 sleep mode | 30, 40, 50 | 20.5 sleep mode |
| Research | Promising research | Promising research | Early research | Strong research |
| Link | You're here | View › | View › | View › |
