Customers recognize the Blue Pure 511i Max air purifier for its quiet operation and noticeable impact on air quality, with users appreciating the visual indicator of air quality changes. Many are thrilled with its overall performance, ease of use, and compact design that fits well in various spaces. The filter's ability to handle smoke and the customizable fan speed are also valued features, with some users reporting allergy relief.
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Blue Pure 511i Max HEPASilent smart air purifier quickly cleans 193 sqft in about 12.5min, 465 sqft in 30 minutes and upto 926 sqft in 1 hour on high. Independently evaluated for safety standards and third-party tested for performance as part of the AHAM Verifide Program for air cleaners, this air purifier has a Clean Air Delivery Rate (CADR) of 125 for fine smoke particles, dust and pollen.

The Shark NeverChange Air Purifier Compact Pro delivers all-day clean air with powerful, long-lasting HEPA filtration. Watch your air quality improve in real time and breathe easier as Shark's PureShield Anti-Allergen* filtration captures dust, pet dander, smoke, irritants, and more. Plus, with up to 5 years of long-lasting filtration,** you can save big on pricey filter replacements. *Allergen refers to non-living matter. ** vs. cost of replacing filters over a 5-year period on top 10 leading competitor units under $150. Source: Based on market share data as of Nov. ‘23 to Oct ‘24.

Let’s clear the air with Blueair. Blue Pure 211i Max HEPASilent smart air purifier quickly cleans 635 sq. ft extra-large room in about 12.5 min or up to 1,524 sq. ft XL space in 30 min & 3,000 sq. ft in 1 hour, on high. This air purifier has a Clean Air Delivery Rate (CADR) of 410 for fine smoke particles, dust and pollen.

Let’s clear the air with Blueair. Blue Pure 311i Max HEPASilent smart air purifier quickly cleans 387 sq. ft medium room in about 12.5 min, up to 929 sq. ft medium space in 30 min, and 1,800 sq.ft in 1 hour on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen. Energy Star Most Efficient 2023.
| Pros for Blueair - Blue Pure 511i Max 926 sq ft HEPASilent Small Room Bedroom Air Purifier - White/Gray | |||
|---|---|---|---|
| Noise Level, Air Quality, Overall Performance, Ease of Use, Filter | Noise Level, Overall Performance, Air Purification, Size, Odor Control | Air Quality, Noise Level, Overall Performance, Ease of use, Design | Noise Level, Air Quality, Overall Performance, Design, Ease of use |
| Cons for Blueair - Blue Pure 511i Max 926 sq ft HEPASilent Small Room Bedroom Air Purifier - White/Gray | |||
| Odor Removal | There were no cons for this product— | Price | WiFi Connectivity |