Blueair - Blue Pure 211i Max 635 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray

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, on high. This air purifier has a Clean Air Delivery Rate (CADR) of 410 for fine smoke particles, dust and pollen.

Most awarded air purifier brand in the US*

Blueair’s #1 selling air purifier line; Blue family’s new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise.†

Let’s clear the air quieter

Quiet Mark certified (23-53dB); Cleans 635 sq. ft extra-large rooms in about 12.5 min or up to 1,524 sq. ft XL space in 30 min, on high.

Let’s clear the air faster

HEPASilent dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone.‡

Let’s clear the air better

Removes at least 99.97% of tiny airborne particles like viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mold allergen and dust; carbon filter traps light household odors from smoking, pets and cooking.§

Let’s clear the air smarter

Smart Air Purifier app enabled and voice control available; Features include Clean Air ETA, Welcome Home and RealTrack filter monitoring tells you more accurately when to replace within 9 months.

Let’s clear the air easier

Intuitive LED display, advanced pollution (PM1, PM2.5, PM10) sensor, real-time indoor readings, 5-color AQI and two-button design make it easy to control fan speeds 1-4, night or auto mode, adjust light levels and child lock.

Independently tested for performance and safety, zero ozone

AHAM Verifide for Performance (CADR); Quiet Mark Certified; Ozone Safety Standards Certified by CARB; Zero Ozone Verified (<5 ppb) by Intertek Sustainability.

*Based on a survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications and industry competitions from 1/1/22-1/31/23, for products sold in the US by top 10 air purifier brands, NPD Group, Small Appliances, U.S. sales dollars 1/1–12/31/22.

†Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. Noise refers to the dB(A) difference in acoustic power.

‡When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.

§Tested PM 2.5 (0.1 - 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.