Blue Pure 211+
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Filters the air at the industry-recommended rate of 4.8x an hour (or about every 12.5 minutes) in a 540 ft² room to effectively lower particle levels and maintain a comfortable environment in large living rooms, family rooms & playrooms.
Independently reviewed and recommended by the experts at Consumer Reports
Independently reviewed by the experts at Wirecutter, the Blue Pure 211+ ranks as one of their top air purifier picks. Featured in Wirecutter's "The Best Air Purifier" article, calling the model, "A stellar performer for larger rooms."
Verifide by the Association of Home Appliance Manufacturers (AHAM) for performance and Clean Air Delivery Rate (CADR).
Certified as an energy-efficient air purifier by the EPA's ENERGY STAR® rating program.
Certified for ozone emissions and electrical safety by the California EPA's Air Resources Board (CARB).
Featured as a top pick in Wirecutter's "The Best Air Purifier".
Our unique combination of electrostatic and mechanical filtration that we call HEPASilent™ filtration technology sets us apart. The combination allows us to use filters that are less dense and require less air pressure than traditional HEPA filters without a loss in performance— resulting in quieter and more energy efficient air purifiers.
A fabric pre-filter offers the first layer of protection, catching large particles and extending the life of the primary filter. The combination Particle + Carbon Filter uses a layer of activated carbon to filter light household odors from pets, cooking, and smoking, while the main particle filter removes airborne particles, like pollen, dust, pet dander, and more.
Adapts to your space with multiple color options. The colorful fabric doubles as a pre-filter, catching large particles and extending the life of the primary filter. Simply vacuum the fabric or toss it in the washing machine whenever it needs cleaning. Go without the pre-filter altogether for a clean Scandinavian look.
Noise-levels are no louder than a whisper on the lowest speed (32 dB) and equivalent to the noise level of rainfall on the highest setting (56 dB).
Unlike some air purifiers with strict rules for placement, the Blue Pure 211+ uses a 360-degree air intake, meaning you can place it almost anywhere in the room without compromising performance.
ENERGY STAR rated for best-in-class energy efficiency (30-61 W) - certified room air purifiers are 40% more energy-efficient than standard models, so you can run your air purifier 24 hours a day without concern.
Orders ship free and typically arrive within 5 business days in most states. Charges may be incurred for Alaska and Hawaii.
Breathe easy with a 60-day in-home trial period. If you're not happy, we'll help arrange for a free return.
Guarantee clean air for years to come by extending your 1-year warranty coverage for up to 5-years.
Forget about adjusting settings and knobs - a single button controls it all and lets you know when it's time to replace the filter.
The built-in LED warning system glows red when it's time for a change. For optimal performance, we recommend replacing every 6 months.
After about 7 seconds, the LED light will automatically dim to 10% brightness.
Wi-Fi connectivity for remote controlNo
Filter replacement indicatorYes
Speed control options1 - 2 - 3
Integrated air sensorsNo
Included in Box
- Blue Pure 211+ air purifier
- Particle + Carbon Filter
- Pre-filter in Diva Blue
- Pre-filter in Dark Shadow
- Instruction manual
Dimensions(HxWxD)20 x 13 x 13 in
Energy consumption30 - 61 W
Sound level31 - 56 dB(A)
Recommended room size540 ft2
Air changes per hour (ACH)4.8
Clean air delivery rate (CADR) - Pollen350 cfm
Clean air delivery rate (CADR) - Dust350 cfm
Clean air delivery rate (CADR) - Smoke350 cfm
Guarantee clean air for years to come with extended warranty coverage when you register your air purifier.
The 411+ model has many similar features, but the 211+ is recommended for a larger room size of up to 540 square feet.
Press and hold down the LED button for 10 seconds to reset the replacement filter indicator.
To extend the Limited Warranty from one year to two (2) years, simply complete the product registration form in the 'My Units' section of your customer account, within (60) days of purchase or register through the Blueair mobile app.
Vacuum the exterior of the fabric pre-filter to remove dust as often as you'd like. When the pre-filter requires a deeper clean, it can be washed on a gentle, low temperature cycle in the washing machine.
The LED indicator will turn yellow after 5 months of operation to warn that it's almost time to change the filter. When the indicator light turns red (one month later), it’s time to change the main filter.