Blueair Blue Pure 311i+ Review
Quiet, efficient purifier with washable fabric filter and smart features.
Updated 2026-03-09
Independently reviewed
Overview
The Blueair Blue Pure 311i+ combines HEPASilent technology with smart connectivity for efficient, quiet operation. Its fabric pre-filter is washable and comes in multiple colors for customization. Covers rooms up to 387 sq ft with minimal energy use.
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Limited Offer — Check Today's PricePros & Cons
Pros
- ✓HEPASilent technology is very quiet
- ✓Washable fabric pre-filter
- ✓Energy-efficient operation
- ✓App control and scheduling
- ✓Multiple filter color options
- ✓Compact design
- ✓Low filter costs
Cons
- ✗Lower CADR than competitors
- ✗Fabric filter attracts dust visibly
- ✗No particle display
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Limited Offer — Check Today's PriceSpecifications
| Room Coverage | Up to 387 sq ft |
| CADR | 250 (smoke), 250 (dust), 250 (pollen) |
| Filter Type | HEPASilent + activated carbon |
| Filter Life | 6 months (main filter) |
| Annual Filter Cost | ~$60 |
| Noise Level | 31–56 dB |
| Smart Features | App, scheduling |
| Air Quality Sensor | Yes |
| Weight | 8.4 lbs |
| Energy Star | Yes |
Our Verdict
A solid choice for smaller rooms where quiet operation and aesthetics matter. The washable pre-filter helps reduce long-term costs.
8.5
/ 10
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