What to know about Levoit Core 400S-P
Why it stands out
Why we like it
HouseFresh measured 249 cfm of PM1 at top speed, 134 cfm under 45 dBA and 35.5 dBA in sleep. There is no ionizer.
What to know
Score breakdown
Independently measured noise on low or sleep speeds (HouseFresh, Tom's Guide, RTINGS) and how much clean air the unit delivers at a sleep-tolerable level, roughly 45 dB or less. Brand dB claims count for less.
AHAM CADR and 4.8 ACH room rating versus a typical 150–400 sq ft bedroom, plus independent smoke and particle test results.
Dedicated sleep or night mode, display that turns off or dims via a light sensor, no light leakage or beeps, auto mode that doesn't ramp up abruptly overnight, timer.
No ionizer, or one that can be switched off; CARB or zero-ozone verification; true mechanical HEPA versus electrostatic filtration; recalls or labelling disputes.
Annual filter cost, filter life, energy use, availability of genuine filters, warranty.
Street price relative to quiet cleaning delivered for a bedroom.
Levoit Core 400S-P specs
Specifications
- Exact model / SKU
- Core 400S-P
- Independent PM1 CADR at maximum
- 249 CFM
- Independent PM1 CADR at low-noise setting
- 134 CFM
- Quiet-test threshold
- HouseFresh: fastest speed under 45 dBA at 3 ft
- Measured noise range
- 35.5 (sleep)–60.3 (HouseFresh) dBA
- Ionization/electronic stage present
- No
- Carbon-media format
- Pelleted carbon; 450 g in Smoke Remover filter (HouseFresh)
- OEM replacement-filter price
- 49.99 USD
- Manufacturer direct/list price
- 219.99 USD
- Pet-hair pre-filter / intake design
- Fabric pre-filter wrapped on cylinder
- Activated carbon amount (where disclosed)
- 450 g (Smoke Remover filter, HouseFresh)
Buying workflow
- Workflow type
- Cylindrical 360° room purifier: pre-filter + H13-labeled HEPA + carbon
Noise
- Lowest-speed noise (manufacturer)
- 22 dB
- Top-speed noise (manufacturer)
- 52 dB
- Lowest-speed noise (independent measurement)
- 35.5 dBA
Performance
- CADR (smoke where given, else headline)
- 231 cfm
- Recommended room size (4.8–5 ACH / AHAM)
- 358 sq ft
Running cost
- Max power draw
- 38 W
- Main filter life
- 6 months
Sleep features
- Sleep / night mode
- Yes
- App control
- Yes
Health & materials
- Filter type
- 3-stage; Pet Allergy, Toxin Absorber, Smoke Remover (HEACAFLVNUS0081A, $64.99) options
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| AmazonLowest | $189.97 $219.99 | In Stock | View deal |
Based on 3 retailer price observations captured during the last 90 days.