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.

Blue Pure 411 Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 411 Air Purifier, by Blueair

Blue Pure 411 Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 411 Air Purifier, by Blueair

Product ID: 181666454

Details

Brand
Blueair
Colour
White
Item Weight
0.23 Kilograms
Power Source
Corded
Product Dimensions
4.8D x 20.3W x

⏳6-12 months long-lasting filter life

🌀360° air intake for max coverage

🛡️99.9% particle filtration down to 0.1 micron

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VT24195

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Description

🌬️ Breathe smarter, live fresher — upgrade your air game now!

SEAMLESS REPLACEMENT - Easy swap design keeps your Blue Pure 411 performing at peak, hassle-free.
360 AIR INTAKE POWER - Surround your space with cleaner air from every angle.
DUAL ACTION FILTRATION - Particle + activated carbon layers eliminate allergens, odors, and VOCs effortlessly.
CERTIFIED HIGH EFFICIENCY - AHAM certified with proven 99.9% reduction of harmful particles in 60 minutes.
EXTENDED FILTER LONGEVITY - Up to a year of fresh air without constant replacements—stay worry-free.

The Blue Pure 411 Replacement Filter combines advanced polypropylene particle filtration with activated carbon to remove microscopic pollutants and odors. Featuring a 360-degree air intake and 4x larger filter surface area, it delivers superior air purification with certified 99.9% efficiency against particles as small as 0.1 micron. Designed for easy replacement, this genuine Blueair filter supports cleaner indoor air for 6 to 12 months, making it an essential upgrade for your Blue Pure 411 air purifier.

Specifications

ASIN	B073SLDNJW
Best Sellers Rank	#468,061 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #213 in Air Purifier Filters
Brand	Blueair
Brand Name	Blueair
Colour	White
Contaminant Filtration Capability	Particulate and Gaseous
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	4.7 out of 5 stars 9,359 Reviews
Filter Class	Combination
Filter Type	Activated Carbon
Item Dimensions D x W x H	4.8D x 20.3W x 28.2H Centimeters
Item Weight	0.23 Kilograms
Manufacturer	Blueair
Model Number	100929
Part Number	F411PACF100929
Particle Retention Size	0.1 Micron
Power Source	Corded Electric
Power Source Type	Corded Electric
Product Dimensions	4.8D x 20.3W x 28.2H Centimeters
Specification Met	AHAM Certified
UPC	689122009858
Unit Count	1 Count

Reviews

R**V

BLUE AIR FILTER

The filter fitted well. Looks fine as original. Working fine. Don’t know it’s efficacy, as there are no digital AQI settings on the Blue Air filter. Please continue making it.

10.12.2025

S**A

Copy (fake) Item

In the name of item it said "by blueair" and it seems like official item released by Blueair. However the items which I received are not official but copy fake items. (Product doesn't match Amazon description.)

19.12.2022

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VT24195

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

Secure transaction

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