BLUEAIR Air Purifiers for Home Bedroom Dorm Office up to 907 Ft², Blue 511
About this product
About this item COMPACT AND QUIET FOR FRESH AIR: Only Blueair air purifiers use HEPASilent technology; Blue Pure 511 air purifier quickly cleans up to 432 sq ft spaces in 30 minutes or 180 sq ft small rooms in 12.5 minutes with powerful yet whisper-quiet operation at just 24 dB on low speed
HEPASILENT DUAL FILTRATION TECHNOLOGY: Removes at least 99.97% of airborne particles down to 0.1 microns; The tiniest particles, such as viruses and bacteria, are captured, while larger particles such as dust, pollen and smoke are also removed for cleaner air in bedrooms, nurseries and home offices
EFFICIENT AND COMPACT: Certified by Energy Star as Most Efficient model; BlueairHEPA air purifiers are whisper-silent and use less energy than a light bulb while delivering 4.8 air changes per hour for optimal dust and pet dander elimination. Without taking up too much space enjoy fresh air with the touch of a button***
PERSONALIZABLE DESIGN: Our most compact air purifier seamlessly fits into your home with three Scandinavian inspired washable pre-filter colors; you can personalize your air purifier to match your interior; Arctic Trail dark gray pre-filter included
BLUEAIR REPLACEMENT FILTER: Blue Pure 511 Genuine Replacement Filter ;B08KPFWBGM fits Blue Pure 511 Air Purifier and is designed for optimal performance
LET’S CLEAR THE AIR WITH BLUEAIR: Our Blue Pure Max air purifier comes with one filter preinstalled and a pre-filter for easy set up; This product is made for NORTH AMERICA USE ONLY and should only be used with input voltages between 110-120V
Editor's Take
Amazon reviewers say this Blueair Blue Pure 511 is especially valued for being quiet, easy to use, and effective for improving air quality in bedrooms, nurseries, and small rooms. Amazon feedback also mentions good value, pleasant design, and odor reduction, though some buyers are mixed on overall effectiveness and note the power switch can be hard to find.
On Reddit, discussion roundups suggest interest in the model, but the overall conversation is thinner than for more widely reviewed purifiers. Review sites generally describe it as a compact, budget-friendly purifier that performs well for its size, with strong quietness and simple operation standing out as the main strengths.
Review blogs and expert tests commonly agree that it works best in small rooms rather than larger open spaces. Several sources also point out that it lacks advanced features such as smart controls or an air quality display, which makes it feel basic compared with pricier alternatives.
YouTube search results include real review and unboxing videos about the Blueair Blue Pure 511, including one titled “ASMR, Blue Pure Air Filter 511 and Mini Max Unboxing and Review” and another titled “REVIEW (2025): Blueair Blue Pure 511. ESSENTIAL details.”
Price History
Specifications
| Coverage Area (sq ft) | 432 |
| Filter Type | HEPA |
| Quiet Operation | Yes |
| Smart Features | No |
Product Details
| Power Source | Corded Electric |
| Control Method | Touch |
| Filter Type | Activated Carbon |
| Floor Area | 432 square_feet |
| Noise Level | 24 db |
| Particle Retention Size | 0.1 micron |
| Controller Type | Button Control |
| Contaminant Filtration Capability | True |
| Special Features | Corded |
| Filter Class | HEPA |
| Item Dimensions D x W x H | 7.9"D x 7.9"W x 13.9"H |
| Item Weight | 5.2 pounds |
| Color | Grey |
| Brand Name | BLUEAIR |
| Model Number | 3131000000 |
| UPC | 689122023182 |
| Unit Count | 1 Count |
| Manufacturer | Blueair |
| Included Components | Air Purifier, installed filter, fabric pre-filter |
| Item Type Name | Air Purifier |
| Part Number | 109994 |
| Best Sellers Rank | #3,963 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #21 in HEPA Filter Air Purifiers |
| ASIN | B08KPJCDN6 |
| Customer Reviews | 4.4 out of 5 stars |
| Specification Met | Energy Star Certified |
