Levoit Core 400S-P

Smart air purifier · $189.99 · price checked 2026-08-24 · editorial score 85/100

Spec sheet

Room size	358 ft² at 4.8 ACH · 1718 ft² at 1 ACH
CADR ✓₂	231 cfm ✓₂
Ozone status ✓₂	CARB-certified (Mechanical) — list entry Core 400S, certified 2021-05-07, approval G-21-166; Levoit's product page makes no additional ozone statement.
Filter type	True HEPA
Filter stages	True HEPA, Activated carbon
Noise	22–52 dB
Sensors	PM2.5/air-quality
Auto mode	Yes
App / ecosystem	VeSync (Levoit)
Voice	Alexa, Google Assistant
Humidifier combo	No

Offer

$189.99

Price checked 2026-08-24

In Stock

Buy link unavailable

Link withheld pending verified Associates account (compliance fail-closed).

Scraped from the live listing on 2026-08-24; point-in-time price, not an offer.

CADR — Clean Air Delivery Rate (dual-sourced)

231 cfm (400S-P variant) (source conflict noted)

Levoit product page: “CADR: 231 CFM”
FindMyPurifier review: “231 CFM (Cubic Feet per Minute) CADR (Clean Air Delivery Rate) hits 5 ACH (Air Changes per Hour) in 350 ft²”

Conflict note: The older non-P Core 400S was rated 260 CFM by reviewers; the current 400S-P listing and two independent sources agree on 231 CFM.

Ozone emission status (dual-sourced)

CARB-certified (Mechanical) — list entry Core 400S, certified 2021-05-07, approval G-21-166; Levoit's product page makes no additional ozone statement.

California Air Resources Board certified-device list: “Levoit | Air Purifier | Core 400S | Mechanical | 2021-05-07 | G-21-166”

Compare it against

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Independent comparison. Prices are point-in-time scrapes from Amazon.com listings, not offers. CADR figures render only where two independent sources agree; ozone status is checked against the California Air Resources Board certified-device list. No health claims beyond manufacturer documentation.