Where is best to place this unit? By the window? Middle of room?

Hi there! Thanks for reaching out! The unit can go anywhere just make sure it's about 6 inches away from any wall or furniture and that all windows and doors are shut.

where can I buy 411 filters, not available on amazon?

Hi there, Amazon does sell the Blueair filters on Amazon. In fact, Blueair has their own website on Amazon here: https://www.amazon.com/s?k=blueair+411+filter&crid=22JFA379FMLFB&sprefix=blueair%2Caps%2C245&ref=nb_sb_ss_ts-doa-p_11_7. Or just type in Blueair 411 filter when you're in Amazon and it goes straight to Blueair's Amazon web page. Hope this helps!

Can i use this with the blueair 411a max model? that model is wider at the bottom, not straight up and down like this filter. thanks!

No. Max units can only take Max filters for the specific model.

Our unit is on auto or night mode in our bedroom, w/ air quality light usually blue. After just 6 weeks, the replace filter reds are on. Normal???

Perhaps remove and clean the lint screen ( wrapped outside covering ) might clear it...plus examine the inside filter at same time. Be mindful of the general air quality in the room ....this unit might be Signalling an issue. Good health to you.

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Blueair Genuine Replacement Filter, Particle + Carbon Filter, Compatible with 3210, Blue Pure 411 & Joy S, F411PACF100929

Blueair Genuine Replacement Filter, Particle + Carbon Filter, Compatible with 3210, Blue Pure 411 & Joy S, F411PACF100929

Product ID: 260854468

Details

Brand
BLUEAIR
Colour
White
Item weight
0.23 Kilograms
Power source
Electric
Product dimensions
20D x 20W x

⏳6-month filter lifespan

🌿Activated carbon for VOCs & odors

🦠99.97% particle removal

543 kr

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Description

🌬️ Elevate your air game with Blueair’s ultimate filter upgrade!

ODOR VOC DEFENSE - Activated carbon sheet neutralizes harmful gases and odors for fresher indoor air.
BACTERIA MOLD GUARD - Naturally inhibits bacteria and mold growth, ensuring you never recycle contaminants.
CLOG RESISTANT AIRFLOW - Gradient filter design traps pollutants while maintaining max airflow—no compromises on performance.
EFFORTLESS MAINTENANCE - Replace every 6 months for continuous peak performance—because your air deserves the best.
BREATHE PURE LIVE CLEAR - HEPASilent tech captures particles down to 0.1 microns—goodbye pollen, dust, and pet dander.

The Blueair Genuine Replacement Particle + Carbon Filter combines advanced HEPASilent technology and activated carbon to remove 99.97% of airborne particles as small as 0.1 microns, plus harmful gases and odors. Designed for Blueair 3210, Blue Pure 411, and Joy S models, it features a clog-resistant gradient structure and natural bacteria/mold inhibition. Recommended replacement every 6 months ensures sustained optimal air purification performance.

Specifications

ASIN	B073SLDNJW
Best Sellers Rank	#1,966 in Kitchen ( See Top 100 in Kitchen ) #18 in Air Purifier Filters
Brand	BLUEAIR
Brand Name	BLUEAIR
Color	White
Colour	White
Contaminant Filtration Capability	cigarette_smoke, odors, pet_dander, pollen, volatile_organic_compounds_(vocs)
Control Method	Remote
Control method	Remote
Controller Type	Remote Control
Customer Reviews	4.7 out of 5 stars 9,427 Reviews
Filter Class	Activated Carbon Filter Class
Filter Type	HEPASilent
Included Components	Filter
Item Dimensions D x W x H	20D x 20W x 10H centimeters
Item Type Name	Filter
Item Weight	0.23 Kilograms
Item weight	0.23 Kilograms
Manufacturer	Blueair
Model Number	100929
Part Number	F411PACF100929
Particle Retention Size	0.1 Micron
Power Source	Electric Corded
Power source	Electric Corded
Product dimensions	20D x 20W x 10H centimeters
Smart Home Compatibility	Not Smart Home Compatible
Special Features	360 degree air, 4x filter surface, combination of particle filters and activated carbon
Specification Met	AHAM Certified
UPC	689122009858
Unit Count	1 Count
Warranty Description	NO WARRANTY

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543 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

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