Air Purifiers · Head-to-head
Coway Airmega ProX vs Levoit Core 300S
Specifications
| Spec | Coway Airmega ProX | Levoit Core 300S |
|---|---|---|
| Exact model / SKU | AP-3522F_US | Core 300S-P |
| Workflow type | Extra Large Floor Unit | Compact Room |
| Independent PM1 CADR at maximum | 462 CFM | 131 CFM |
| Independent PM1 CADR at low-noise setting | 299 CFM | 80 CFM |
| Quiet-test threshold | Sub-45 dBA | ≤45 dBA |
| Measured noise range | 37.4–53.6 dBA, measured from 3 ft away | 22–50 dB |
| Ionization/electronic stage present | No | — |
| Model-specific ozone/technology disclosure | ENERGY STAR exact-model record: ozone emissions 0.0 ppb | Ozone Free |
| Particle-filter construction/certification | Washable pre-filter plus two Max2 filters; Max2 filtration combines HEPA and activated-carbon filters | 3-stage filtration: pre-filter, main particle filter, and activated-carbon filter |
| Carbon-media format | Multi-cubed activated-carbon filter | Activated-carbon pellets |
| OEM replacement-filter price | 199 USD | 29.99 USD |
| Stated filter interval | 12 months | — |
| Manufacturer direct/list price | 999 USD | 149.99 USD |
| Dated US street price | — | 134.99 USD |
Coway Airmega ProX
Pros
- Extra-large floor-unit workflow
- Distinct exact-model corroboration
- Mobility and maintenance conditions are clearly disclosed
Cons
- Large footprint
- 51-pound unit relies on wheels for movement
- Recurring filter ownership requirement
Recommended for extra-large-space use when a 51-pound unit, wheel-dependent movement, and its large footprint are workable in the home.
Full Coway Airmega ProX review →Levoit Core 300S
Pros
- Compact-room fit under the published CADR rule
- Two distinct independent exact-model test sources
- Exact US model evidence
Cons
- Not positioned for large-room use
- Cross-publisher measurements are not directly merged
Recommended for buyers furnishing a compact room who want a model supported by separate exact-model testing from RTINGS and HouseFresh.
Full Levoit Core 300S review →Both products are part of our guide Best Air Purifiers: Evidence-Qualified Picks for Different Room Sizes, where you can see every pick, how we score and current prices from each retailer.