Air Purifiers

Levoit Core 300-P

#7 · Best Value for Small Bedrooms
7.1 /10 Our score
Lowest verified price $84.99 Amazon
Our verdict
Good value for a small room, as long as you accept running it above sleep mode.

Pros

  • Budget price
  • 37.1 dB in sleep mode
  • No ionizer
  • Compact
  • Low running cost

Cons

  • Low airflow
  • Needs higher speeds to clean a 200 sq ft room
  • No app
  • Named in the Vesync filter settlement

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Last reviewed October 25, 2026
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Review

What to know about Levoit Core 300-P

A compact budget cylinder for small bedrooms. HouseFresh's Core 300 review measured 37.1 dB in sleep mode and 50.2 dB at top speed, and notes owners will likely need speed 2 or higher to clean a room of about 200 sq ft.
Editorial notes

Why it stands out

Why we like it

HouseFresh's review of the Core 300 (same body as the 300-P) measured 37.1 dB in sleep mode and 50.2 dB at top speed. It has a sleep mode with the display off and costs well below the other picks.

It works in a bedroom of about 220 sq ft or less.

What to know

Skip it for anything larger. HouseFresh says owners will likely need speed 2 or higher for a room of about 200 sq ft, which is louder than sleep mode. Vesync's True HEPA settlement covers Core filters bought 2019 to 2023; Vesync denies wrongdoing.
Performance

Score breakdown

Noise at sleep-usable speeds

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.

7.0
HouseFresh: 37.1 dB in sleep mode; speed 2 is 40.5–45.7 dB.
Cleaning performance for bedroom size

AHAM CADR and 4.8 ACH room rating versus a typical 150–400 sq ft bedroom, plus independent smoke and particle test results.

5.5
143 cfm rated; about 109 cfm PM1 at top speed (HouseFresh).
Sleep-friendly features

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.

7.3
Sleep mode, display off, timer; no sensor.
Indoor-air safety & materials

No ionizer, or one that can be switched off; CARB or zero-ozone verification; true mechanical HEPA versus electrostatic filtration; recalls or labelling disputes.

7.0
Ozone-free and CARB; named in the labelling settlement.
Running cost & ownership

Annual filter cost, filter life, energy use, availability of genuine filters, warranty.

8.2
Cheap, common filters.
Value

Street price relative to quiet cleaning delivered for a bedroom.

8.8
$89.99.
Specifications

Levoit Core 300-P specs

Noise

Lowest-speed noise (manufacturer)
24 dB
Top-speed noise (manufacturer)
54.5 dB
Lowest-speed noise (independent measurement)
37.1 dBA

Performance

CADR (smoke where given, else headline)
143 cfm
Recommended room size (4.8–5 ACH / AHAM)
222 sq ft

Running cost

Max power draw
56 W

Sleep features

Sleep / night mode
Yes
App control
No

Health & materials

Ionizer / electrostatic stage
None (listed ozone-free)
Filter type
3-stage: pre-filter + HEPA-type + activated carbon
Shopping

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Disclosure: We may earn a commission when you purchase through links on this page. This does not affect our editorial rankings.

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RetailerPriceAvailability
AmazonLowest $84.99 $99.99 In Stock View deal
Lowest verified price $84.99
30-day low $84.99
90-day average $88.32
90-day low $84.99

Based on 3 retailer price observations captured during the last 90 days.

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