Blueair Blue Pure 411 Auto
The Blueair Blue Pure 411 Auto delivers verified AHAM CADR performance (123 Smoke / 105 Dust) for rooms up to 190 sq ft. Featuring multi-stage H13 True HEPA and active odor adsorption.
3-Year True Cost of Ownership Model
AHAM AC-1 verified room air filtration throughput for fine particulate and smoke reduction.
Acoustically evaluated across whisper-quiet sleep mode and maximum turbo airflow settings.
Sized for 4.8 air changes per hour (ACH) in designated living room and bedroom layouts.
Total routine scheduled replacement filter expense projected over continuous operation.
- Certified 123 Smoke CADR rating
- Whisper-quiet sleep mode (18)
- Energy Star low power consumption
- Real-time air quality sensor
- Replacement filter required every 6 to 12 months
- Coverage capped at 190 sq ft
Verified Engineering Specifications
| Nominal Dimensions | Round / Custom Cartridge | Actual Dimensions | Integrated Machine Unit |
|---|---|---|---|
| Filter Depth | Standalone Unit | Media Construction | H13 True HEPA & Granular Carbon |
| Initial Resistance | Integrated Variable Multi-Speed Blower | Airflow Capacity | 190 sq ft @ 4.8 ACH (456 sq ft @ 2 ACH) |
| Smoke CADR | 123 CFM | Dust / Pollen CADR | 107 / 96 CFM |
| Acoustic Noise | 18 – 48 dB | Rated Room Coverage | 190 sq ft @ 4.8 ACH (456 sq ft @ 2 ACH) |
| Replacement Filter Cost | $29.99 | Replacement Interval | Every 6 Months |
| Annual Consumable Cost | $59.98/yr | Compatible Equipment | Blueair 411 Auto System |
Our Take on the Blueair Blue Pure 411 Auto
An exceptionally reliable room air purifier with whisper-quiet operation (18 min noise) and proven particle removal.
Filtration Performance Note
Traps 99.97% of particles down to 0.3 microns, including pollen, pet dander, mold spores, and airborne smoke particles.
Installation, Airflow Direction & Maintenance Protocol
Place 12 inches away from walls for unobstructed 360-degree intake. Replace HEPA filter when indicator light illuminates.
Common Questions About the Blueair Blue Pure 411 Auto
What size room can the Blueair Blue Pure 411 Auto handle?
It is certified for rooms up to 190 sq ft, completing roughly 5 air changes per hour in spaces of that volume.
How noisy is this purifier on low speed?
On its lowest setting, sound levels drop to 18, which is quieter than a gentle whisper.
How much do replacement filters cost for the 411 Auto?
Official Blue Pure 411 Particle+Carbon replacement filters typically cost between $30 and $45 per cycle.
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Levoit Core 300S Smart True HEPA Air Purifier
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Levoit Core 200S Smart Air Purifier
When to choose: Alternative small-room air purifier with similar CADR profile.