Review
What to know about Blueair Blue Pure 311i Max
Recommended for standard-room buyers who accept its non-disableable ionization as part of the HEPASilent system.
Editorial notes
Why it stands out
Why we like it
Two distinct exact-model firsthand or test-review sources support its evidence-qualified buyer fit.
What to know
HEPASilent technology uses non-disableable ionization. Treat that as a technology preference to decide before purchase, rather than as a scored advantage.
Specifications
Blueair Blue Pure 311i Max specs
Specifications
- Exact model / SKU
- 3332111100
- Independent PM1 CADR at maximum
- 220 CFM
- Independent PM1 CADR at low-noise setting
- 108 CFM
- Quiet-test threshold
- <45 dBA
- Measured noise range
- 23–50 dB dBA
- AHAM-certified smoke CADR
- 283 CFM
- Ionization/electronic stage present
- Yes
- Ionization can be disabled
- No
- Model-specific ozone/technology disclosure
- Zero Ozone Verified by Intertek Sustainability (<5 ppb); CARB ozone-safety certified
- Particle-filter construction/certification
- HEPASilent dual filtration combining electrostatic and mechanical filtration
- Carbon-media format
- Carbon-impregnated fabric
- OEM replacement-filter price
- 44.99 USD
- Manufacturer direct/list price
- 229.99 USD
- Dated US street price
- 172.49 USD
Buying workflow
- Workflow type
- Standard Room
Shopping
Compare prices
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| AmazonLowest | $229.00 $229.99 | In Stock | View deal |
| Blueair Official Store |
$229.99
Last known price — verified Oct 19, 2026; may have changed |
Last reported: In Stock | Check at retailer |
Lowest verified price
$229.00
30-day low
$172.50
90-day average
$223.49
90-day low
$172.50
Based on 9 retailer price observations captured during the last 90 days.
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