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02 / Air purifiers

Enough airflow.
For your room.

Start with your space. Keep rated airflow and the quietest noise claim separate.

Tell us about your room

Room illustration · no placement claim

Editable examples · 10–3,000 ft². The calculation assumes an 8 ft ceiling.

Target & ceiling · 8 ft assumed

Bars: maker smoke CADR. Vertical line: calculated room target. Quiet-setting airflow is unknown.

Inspecting Levoit Core 300S-P. Start with your floor area. Choose an example or edit the area to see which rated figures meet your target.

Same room claim? Check the air-change rate.

Levoit Core 300S-P
Maker room claim & ACH basis
Room size (maker)
219 sq ft at 4.8 air changes an hour; 1,051 sq ft at 1
Show the sizing rule & unknowns

AHAM’s everyday rule is room area in ft² × ⅔; for smoke season, use area × 1. The smoke CADR target is rounded upward. It is a planning calculation for a standard ceiling, not a product specification or measured performance.

No positive verdict is given for taller ceilings or quiet settings. A CADR with no pollutant label cannot be used as smoke CADR.

Read AHAM’s sizing guidance ↗
Inspect the exact model

Levoit Core 300S-P

CADR (maker)
141 CFM (240 m3/h); the page does not say which pollutant
Noise (maker)
22 to 50 dB
Dimensions
8.7 x 8.7 x 14.2 in
Noise (linked US manual)
22 to 54.5 dB; differs from the product-page range above. The upper limit remains unresolved.

The record does not label its CADR pollutant. A general CADR is excluded from smoke-fit verdicts. See the evidence.

Recorded evidence & sources
CADR (maker)

141 CFM (240 m3/h); the page does not say which pollutant

specs[0] · checked 2026-11-02Read the manufacturer source
Room size (maker)

219 sq ft at 4.8 air changes an hour; 1,051 sq ft at 1

specs[1] · checked 2026-11-02Read the manufacturer source
Filter

1 x 3-stage Original filter, pre-installed; pet, toxin and smoke filter options sold separately

specs[2] · checked 2026-11-02Read the manufacturer source
Noise (maker)

22 to 50 dB

specs[3] · checked 2026-11-02Read the manufacturer source
Dimensions

8.7 x 8.7 x 14.2 in

specs[7] · checked 2026-11-02Read the manufacturer source
Noise (linked US manual)

22 to 54.5 dB; differs from the product-page range above. The upper limit remains unresolved.

specs[12] · checked 2026-11-02Read the manufacturer source
Original manufacturer photo

Original photographic colors are preserved.

Recorded package: Core 300S-P, White, single purifier

Model & package checks

Core 300S-P is the smart purifier; its specification block calls the model Core 300S. Core 300-P is the manual model.

The standalone purifier already includes an Original filter. A toxin-filter bundle changes the box contents.

Several candidate ASINs name the same 300S-P; separate listings do not establish different generations.

Check price on AmazonWe may earn a commission. Price and delivery are on the retailer’s site.Full specifications & photos ↗

Add a second product to see differences.

Maker specifications describe the recorded model and package. Missing measurements are labeled “Not recorded”.

Minimum noise and maximum smoke CADR describe different operating settings. Minimum noise does not establish airflow at that setting. Room coverage depends on its stated air-change basis.

Specification
Levoit Core 300S-P Smart Air Purifier
Levoit Core 300S
Smoke CADRNot recorded
Room size (maker’s claim)219 sq ftMaker’s room claim: 219 sq ft at 4.8 air changes an hour; 1,051 sq ft at 1
Filter3-stage filter (Levoit's 'Original' filter; the page does not call it True HEPA)
Quietest setting (maker)22 dBMaker’s stated noise range / conditions: 22 to 50 dB
Best forBedrooms, Home office, Budget
Sources

Specifications checked November 2, 2026

View 4 sources
Retailer offerCheck price on Amazon
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