Blueair Blue Pure 511i Max Air Purifier Review
★ 4.4 / 5
$139.00
Specification-led overview of the Blueair Blue Pure 511i Max Air Purifier. Small room / smart. Amazon US listing averages 4.4/5 across 5,242 ratings.
Pros
- +CADR: 153 smoke / 159 dust / 174 pollen CFM
- +Recommended room coverage: 237 sq ft at 4.8 ACH
- +Filtration: HEPASilent particle and carbon filter with washable pre-filter
- +Filter lifespan: Up to 9 months
- +Replacement filter cost: $29.99 (genuine F5MAX particle and carbon filter)
Cons
- −Some specification fields remain model-dependent; confirm the exact variant and bundle before buying.
Key Specifications
| positioning | Small room / smart |
| air quality sensors | PM or particulate sensor on sensor-equipped variants |
| app control | Yes (Blueair app, Alexa, Google Home) |
| auto mode | Yes on smart/sensor variants; otherwise no |
| cadr | 153 smoke / 159 dust / 174 pollen CFM |
| filter lifespan | Typically 6-12 months; follow filter indicator |
| filtration technology | Pre-filter + particulate filter + activated carbon (variant-dependent) |
| noise | 19-48 dB |
| power consumption | Model-specific; ENERGY STAR or manufacturer rating where applicable |
| recommended room area | 237 sq ft at 4.8 ACH |
| replacement filter cost | Varied by model; verify current genuine replacement |
Our Experience
This review summarizes publicly documented information for the Blueair Blue Pure 511i Max Air Purifier. Catalog positioning: Small room / smart. Amazon US detail page verified 2026-09-22; exact model and variant matched to ASIN B08KPJ76RR. Positioning: Small room / smart. On Amazon US, the matched listing (ASIN B08KPJ76RR) shows an average rating of 4.4 out of 5 across 5,242 global ratings at the time this review was compiled. Documented specifications for this model include CADR: 153 smoke / 159 dust / 174 pollen CFM; Recommended room coverage: 237 sq ft at 4.8 ACH; Filtration: HEPASilent particle and carbon filter with washable pre-filter; Filter lifespan: Up to 9 months; Replacement filter cost: $29.99 (genuine F5MAX particle and carbon filter); Noise level: 19-48 dB. Additional listed specs cover Power consumption: 17 W; Auto mode: Yes. Based on the specification set above, this model is best considered for Households that need small room / smart with the listed CADR, filtration, and control features. It is a weaker match if your must-have features are not supported by the documented specification set for this exact model This article does not include hands-on testing. Ratings, specifications, and buyer sentiment references are limited to the sources cited above.
Who Should Buy
Households that need small room / smart with the listed CADR, filtration, and control features.
Who Shouldn't Buy
your must-have features are not supported by the documented specification set for this exact model
FAQ
Which Amazon listing was matched to this product?
This review is tied to Amazon US ASIN B08KPJ76RR. Verify the exact color or bundle before purchase.
Does this model support app control?
Yes (Blueair app, Alexa, Google Home)
