LEVOIT Core 400S vs LEVOIT Core 300S
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.
In a nutshell
LEVOIT Core 400S vs LEVOIT Core 300S: two AirPurify picks compared across 9 published specifications. Use the feature table below to match published specifications to your room, filtration, and noise requirements. We do not assign an overall score without retained independent test evidence.
Key facts
- CADR:
- 234 / 233 / 257 CFM (Smoke / Dust / Pollen, AHAM Verifide) vs 141 CFM
- Coverage:
- 358 sq ft (4.8 ACH); 1,718 sq ft (1 ACH) vs 219 sq ft (4.8 ACH); 1,051 sq ft (1 ACH)
- Noise level:
- 22-52 dB vs 22-50 dB
- Power:
- 38 W vs 23 W
Key takeaways
- LEVOIT Core 400S — H13 True HEPA rated to 99.97% at 0.3 microns
- LEVOIT Core 300S — 3-stage True HEPA filtration in a compact 360-degree cylinder
AirPurify· Updated July 31, 2026· How we evaluate products
Feature comparison
| Feature | LEVOIT Core 400S | LEVOIT Core 300S |
|---|---|---|
| CADR | 234 / 233 / 257 CFM (Smoke / Dust / Pollen, AHAM Verifide) | 141 CFM |
| Coverage | 358 sq ft (4.8 ACH); 1,718 sq ft (1 ACH) | 219 sq ft (4.8 ACH); 1,051 sq ft (1 ACH) |
| Noise level | 22-52 dB | 22-50 dB |
| Power | 38 W | 23 W |
| Filter type | 3-stage: pre-filter + main filter + activated carbon | 3-stage: pre-filter + main filter + activated carbon |
| Filter life | 12 months | 6-8 months |
| Warranty | 2-year limited | 2-year limited |
| Dimensions | 10.8 x 10.8 x 20.5 in | 8.7 x 8.7 x 14.2 in |
| Weight | 11 lbs | 5.95 lbs |