Air Purifiers · Head-to-head
Blueair Blue Pure 311i Max vs Levoit EverestAir-P
The short answer
At current verified prices, the Blueair Blue Pure 311i Max costs about $270.99 less.
- Choose the Blueair Blue Pure 311i Max if: Standard Room, Ionization
- Choose the Levoit EverestAir-P if: Large Room, Lower-Noise Evidence
Specifications
| Spec | Blueair Blue Pure 311i Max | Levoit EverestAir-P |
|---|---|---|
| Exact model / SKU | 3332111100 | LAP-EL551S-AUS |
| Workflow type | Standard Room | Large Room |
| Lowest-speed noise (manufacturer) | — | 24 dB |
| Independent PM1 CADR at maximum | 220 CFM | 351 CFM |
| Top-speed noise (manufacturer) | — | 56 dB |
| Independent PM1 CADR at low-noise setting | 108 CFM | 170 CFM |
| Lowest-speed noise (independent measurement) | — | 39.1 dBA |
| Quiet-test threshold | <45 dBA | ≤45 dBA |
| CADR (smoke where given, else headline) | — | 354 cfm |
| Measured noise range | 23–50 dB | 31.8–58.6 dBA |
| Recommended room size (4.8–5 ACH / AHAM) | — | 549 sq ft |
| AHAM-certified smoke CADR | 283 CFM | 354 CFM |
| Max power draw | — | 70 W |
| Ionization/electronic stage present | Yes | No |
| Sleep / night mode | — | Yes |
| Ionization can be disabled | No | — |
| App control | — | Yes |
| Model-specific ozone/technology disclosure | Zero Ozone Verified by Intertek Sustainability (<5 ppb); CARB ozone-safety certified | No ionizer (HouseFresh) |
| Ionizer / electrostatic stage | — | None |
| Particle-filter construction/certification | HEPASilent dual filtration combining electrostatic and mechanical filtration | 3-stage system with a statically charged-fiber main filter |
| Filter type | — | Washable pre-filter + particle filter + pelleted carbon |
| Carbon-media format | Carbon-impregnated fabric | Pellet-based activated carbon |
| Main filter life | — | 15 months |
| OEM replacement-filter price | 44.99 USD | 99.99 USD |
| Manufacturer direct/list price | 229.99 USD | 499.99 USD |
| Dated US street price | 172.49 USD | 379.99 USD |
| Washable / removable pet pre-filter | — | Yes |
| Activated carbon amount (where disclosed) | — | ~400 g pelleted (HouseFresh) |
Blueair Blue Pure 311i Max
Pros
- Standard-room buyer fit
- Two distinct exact-model corroborating sources
- Technology condition is clearly disclosed
Cons
- Non-disableable ionization may not suit every buyer
- Ionization is a required ownership consideration
Recommended for standard-room buyers who accept its non-disableable ionization as part of the HEPASilent system.
Full Blueair Blue Pure 311i Max review →Levoit EverestAir-P
Pros
- Large-room buyer fit
- Exact-model evidence from distinct publisher groups
- Source-bounded lower-noise delivery evidence
Cons
- Quiet-setting evidence is not cross-publisher comparable
- Current ownership conditions are not assessed here
Recommended for large-room buyers who place particular weight on the lower-noise delivery evidence reported by RTINGS.
Full Levoit EverestAir-P 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.