Does this product contain an ionizer

Hi there! Yes, all Blueair units use small Ionizers. At Blueair we know ozone is a serious topic for our customers, that’s why our units have been engineered to produce no measurable amounts of ozone. Blueair units have been thoroughly tested and certified to comply with the California Air Resource Board criteria to emit less than 0.050 ppm. Additionally, tests conducted by 3rd party research firms, such as SP Technical Research Institute of Sweden, have shown that Blueair units may even reduce levels of ozone within a room.

Does the purifer push air out or in? Can someone explain how it works?

Hi there! This unit pulls air from 360 degrees into the bottom (black) portion of the unit where the filter is. Cleaned air is blown out the top of the unit.

How often do you need to change the filters?

In my home there is a lot of pollen and We have a room-mate who smokes outside yet smoke still gets in the house. So the filter in my bedroom runs on medium 12/16 hours a day. It is just now showing signs of use on the media. I expect to change its filter every 3 months. When it runs on low I can't hear it run, on medium it's a very low hum. Only high can you distinctly run from more than a couple feet away.

Why does the twin pack cost more than buying two single units?

I’ve been watching it for a week now and it was briefly the full $100 price. Dropped back down after a couple days. It goes on and off sale I guess.

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BLUEAIR Air Purifiers for Large Rooms, Cleans 3,048 Sqft In One Hour, HEPASilent Smart Air Cleaner For Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 211i Max (411)

BLUEAIR Air Purifiers for Large Rooms, Cleans 3,048 Sqft In One Hour, HEPASilent Smart Air Cleaner For Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 211i Max (411)

Product ID: 163204319

Details

Brand
Blueair
Colour
White
Item Weight
2.63 kg
Power Source
Corded
Product Dimensions
36.6D x 36.6W

⚡HEPASilent tech: 83% faster, 50% quieter

🏠Cleans 3,048 sqft/hr

🔇Quiet Mark certified 23-53dB

Description

🌬️ Elevate your air game—because your lungs deserve the best!

ODOR ALLERGEN DEFENSE - Advanced carbon filter traps smoke, pet odors, cooking smells, plus allergens like pollen, dust, and mold for a fresher, healthier home.
WHISPER QUIET OPERATION - Certified Quiet Mark with noise levels as low as 23dB—perfect for work, sleep, or relaxation without distractions.
MASSIVE COVERAGE MINIMAL WAIT - Purifies up to 3,048 sqft in just 60 minutes—breathe freely in every corner of your home.
NEXT GEN HEPA SILENT FILTRATION - Removes 99.97% of particles down to 0.1 microns faster and more efficiently than traditional HEPA filters.
SMART CONTROL AT YOUR FINGERTIPS - Customizable app with real-time air quality monitoring, scheduling, geofencing, and Alexa voice control for seamless integration.

The BLUEAIR Blue Pure 211i Max is a top-tier air purifier designed for large rooms up to 3,048 sqft, featuring proprietary HEPASilent dual filtration technology that cleans air 83% faster and 50% quieter than standard HEPA filters. It removes 99.97% of airborne particles as small as 0.1 microns, including viruses, smoke, pet dander, and allergens. Certified Quiet Mark rated (23-53dB), it offers smart app control with real-time air quality tracking, scheduling, geofencing, and Alexa compatibility, making it an essential device for health-conscious professionals seeking clean, fresh air with minimal noise disruption.

Specifications

ASIN	B073WJDQMN
Best Sellers Rank	#695,468 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #316 in HEPA Air Purifiers
Brand	Blueair
Brand Name	Blueair
Colour	White
Contaminant Filtration Capability	Cigarette Smoke, Dust, Odors, Pet Dander, Pollen, Wildfire Smoke
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	3.0 out of 5 stars 1 Review
Filter Class	HEPASilent
Filter Type	HEPA
Floor Area	100
Global Trade Identification Number	00689122009186
Importer Contact Information	Cavitak Marketing Private Limited - 9, Vithhalbhai Patel Colony, Opp. Lakhudi talav, Naranpura, Ahmedabad, Gujarat - 380014
Included Components	purifier
Item Dimensions D x W x H	36.6D x 36.6W x 57.5H Centimeters
Item Type Name	Air purifier
Item Weight	2.63 kg
Manufacturer	BLUEAIR
Model Number	411
Noise Level	46 Decibels
Packer Contact Information	BLUEAIR
Part Number	411PACF101435
Particle Retention Size	0.1 Micron
Power Source	Corded Electric
Power Source Type	Corded Electric
Product Dimensions	36.6D x 36.6W x 57.5H Centimeters
Software Update Supported to Date	unknown
Special Features	corded
Specification Met	Certified HEPA
UPC	689122009186
Unit Count	1.0 Count
Wattage	10 Watts

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