3250i 33m² BLUE MAX AIR PURIFIER
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Let's clear the air faster
Only Blueair air purifiers use HEPASilent™ technology, quickly cleaning 20 m² in 12.5 minutes or up to 48 m² in 30 minutes.
Let’s clear the air better
Control 4 fan speeds (Night, 1-3), select auto, adjust brightness levels and enable/disable child lock with just two buttons.
The five-color air quality indicator (AQI) uses a particle sensor to detect pollution. Air quality reading is based on the concentration of fine particles (PM 2.5) in your space.
Let’s clear the air smarter
Welcome home feature: Your air purifier will go on standby when you leave the home and turn back on when you are getting close.
Accurate filter tracking: Using Blueair's proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.
Voice control assistance: Control your air purifier hands free and enjoy even more convenience.
Let's clear the air quieter
The Blue Max 3250i operates on low at 18dB, and is never louder than 46dB³. Quietest by QuietMark⁴.
Let's clear the air longer
New and longer lasting filters (6-9 months)
Using Blueair's new proprietary RealTrack algorithm, you can easily view the most accurate filter usage and reorder before it expires.
It uses advanced machine learning to adjust its calculations based on your unique environment, taking into account factors like fan speed, usage time and pollutant levels.
| Filter Type | Particle filter + Carbon sheet. Activated coconut shell carbon. Non-woven gradient Polypropelyne fibers. Free of chemicals and binders. Fiber shedding resistance. |
| Dimensions (HxWxD) | 481 x 269 x 269 mm |
| Product weight | 3.39kg |
| Energy consumption | 2.5 - 20 W |
| Sound level | 18 - 46 dB(A) |
| Air outlet | Top |
| Air inlet | 360° |
| Filter recycling | Plastic. Check your local recycling requirements for carbon. |
| Recommended filter change | 6 months (4,380 hours) when used 24 hours a day |
| Recommended room size | 48 m2 |
| Air changes per hour (ACH) | 2 |
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Number of filters
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1 |
Frequently Asked Questions
How does this model differ from the Blue 3210?
Key upgrades include: more coverage, quieter on highest fan, longer filter life, new colors, & smart technologies.
Why is my LED yellow?
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.
I've replaced my filters, now how do I reset the filter replacement indicator?
Press and hold down the LED button for 10 seconds to reset the replacement filter indicator.
How should I clean the fabric pre-filter?
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. Hang to dry.
Disclaimers
¹ Comparing pollen CADR on high fan speed (Blue Max 3250 auto & 3250i vs. Blue 3210), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued.
² Test on PM 2.5 in 90mins
³Sound pressure at max fan. Assuming 20 m2 room size and 4.8 air exchanges per hour (AHAM AC-1)
⁴Quietest refers to eligibility for Quiet Mark certification, limited to 10-20% of quietest products. See https://www.quietmark.com/ for further information
