Blueair Blue Pure 311i Max Air Purifier Review

★ 4.5 / 5

$229.00

Specification-led overview of the Blueair Blue Pure 311i Max Air Purifier. Medium room / smart. Amazon US listing averages 4.5/5 across 2,525 ratings.

Pros

+CADR: 283 smoke / 314 dust / 365 pollen CFM
+Recommended room coverage: 439 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: $44.99 (genuine F3MAX particle and carbon filter)
+Amazon buyers rate the matched listing 4.5/5 across 2,525 global ratings.

Cons

−Some specification fields remain model-dependent; confirm the exact variant and bundle before buying.

Key Specifications

positioning	Medium 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	283 smoke / 314 dust / 365 pollen CFM
filter lifespan	Typically 6-12 months; follow filter indicator
filtration technology	Pre-filter + particulate filter + activated carbon (variant-dependent)
noise	23-50 dB
power consumption	Model-specific; ENERGY STAR or manufacturer rating where applicable
recommended room area	439 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 311i Max Air Purifier. Catalog positioning: Medium room / smart. Amazon US detail page verified 2026-09-22; exact model and variant matched to ASIN B0BN2LZ9JH. Positioning: Medium room / smart. On Amazon US, the matched listing (ASIN B0BN2LZ9JH) shows an average rating of 4.5 out of 5 across 2,525 global ratings at the time this review was compiled. Documented specifications for this model include CADR: 283 smoke / 314 dust / 365 pollen CFM; Recommended room coverage: 439 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: $44.99 (genuine F3MAX particle and carbon filter); Noise level: 23-50 dB. Additional listed specs cover Power consumption: 32 W; Auto mode: Yes. Based on the specification set above, this model is best considered for Households that need medium 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.