“I recommend Blueair air purifiers to my patients because of their strong performance and their commitment to third party testing, which gives me peace of mind that the airborne particles that commonly exacerbate allergy and asthma symptoms are being captured*”
Dr. Priya Bansal
“It has a night mode, which turns off all of the onboard lights and quiets the fan even more, making it the perfect option for a room where you primarily sleep and relax.”
Best For Bedrooms
“It has a quiet operation which, along with the dimmable display, makes this a great option for the bedroom—or you can set it up right by the litter box or dog crate to absorb odors.”
Best For Pet Owners
Why choose Blue Max 3250i?
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Designed for busy families
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Whisper-Quiet Sleep Mode
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One-Touch Control
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Stylish Scandinavian Design
Exclusive features in the Blueair app
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Smarter air, customized to you
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Schedules to fit your lifestyle
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Accurate filter lifetime tracking
Independently proven performance
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Fast & free shipping
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30 day home trial
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Authenticity guaranteed
Technical Specifications
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Filter Type
Particle & Carbon
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Dimensions(HxWxD)
48.1cm x 26.9cm x 26.9cm
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Product Weight
3.4 kg
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Energy Consumption
20 W
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Sound level
18-46 dB
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Air outlet
Top
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Recommended room size
(4.8 - 2 ACH) 20 - 99 m² m²
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Clean air delivery rate (CADR)
Pollen 239 m³/h
Dust 239 m³/h
Smoke 239 m³/h
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Recommended filter change
6 months
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Number of filters
1
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Speed control options
1 - 2 - 3 - Auto - Night
FAQ
Total 5 star reviews: 709 Total 4 star reviews: 67 Total 3 star reviews: 31 Total 2 star reviews: 17 Total 1 star reviews: 52
89%would recommend these products
876 reviews
- CBCorey B.Verified Buyer2 days agoReviewingBlue Pure 511i Max Bundle USRated 5 out of 5 starsConfident Now
I’m assuming it works. I am reassured.
🔥 💨 —> AQI 😃
- SHSusan H.Verified Buyer2 days agoReviewingBlue Pure 511i Max Bundle USRated 4 out of 5 starsSmall room air purifiers
I like the small room air purifiers. They are quieter than the large one I have that has a low hum when it’s blue and at 0. The hum can be slightly grating so I enjoy that the smaller models don’t do this. However there is no light to indicate when the filter needs to be changed. The instruction booklet indicates a button that doesn’t exist on the model.
BUBlueair UK4 minutes agoThank you very much for sharing your feedback with us! We understand that you have a few questions regarding the unit and the process for resetting the filter. Please rest assured that our dedicated support team will be reaching out to you shortly to provide detailed assistance and answer all of your questions.
- BDBob D.Verified Buyer3 days agoReviewingBlue Pure 511i Max Bundle USRated 5 out of 5 starsGreat Value!
To get these at that price was amazing!
- CDCarolyn D.Verified Buyer3 days agoReviewingBlue Pure 511i Max Bundle USRated 5 out of 5 starsVery helpful for peace of mind
I bought a large unit and two small room units during the wildfires up in Ely Minnesota. The smoke was so bad here. The blue Air purifiers arrived very quickly and immediately began cleaning the air. I have a blue air purifier in my room which is probably 15 or 20 years old. It runs all the time. These new units only run when it needs to clean the air and when it senses that it needs to turn on. I really like that feature. Not only can we breathe better, but it has helped very much with the anxiety about the air quality.
- GTGregor T.Verified Buyer4 days agoReviewingBlue Pure 511i Max Bundle USRated 3 out of 5 starsFaulty air pollution sensors?
The purifiers look good and run quietly. Unfortunately, their pollution sensors don’t seem to work. They both show consistently 0 PM2.5. I doubt that this can be true, and it does not correspond the reading of my air conditioning.
BUBlueair UK4 days agoThank you for sharing your feedback. We’re glad to hear you’re satisfied with the purifier’s design and quiet operation. Regarding the PM 2.5 readings, we’re sorry for the concern this has caused. Our support team will be reaching out to you directly to help troubleshoot the sensor functionality and ensure your unit is working as intended.