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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🌬️ Elevate your air game—because clean air is the new luxury.

PERFECT FIT - Designed exclusively for Blue Pure 411 for guaranteed performance.
ODOR FREE LIVING - Activated carbon neutralizes everyday odors seamlessly.
OPTIMIZED AIRFLOW - Extra-large surface area prevents clogging for high-speed purification.
EFFORTLESS FRESHNESS - No cleaning needed—just swap and breathe easy.
ADVANCED PARTICLE DEFENSE - Captures dust, pollen, and PM2.5 with precision.

The Blue Pure 411 Replacement Filter combines multi-layer particle filtration with activated carbon to effectively remove dust, pollen, PM2.5, and odors. Designed for hassle-free maintenance, it requires no cleaning—just replace every 6 months to restore peak air purification. Compact and lightweight, it fits perfectly with Blue Pure 411 models, ensuring fresh, odor-free air in your space.

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Color	white
Size	standart pack
Manufacturer	セールス・オンデマンド
Included Components	1 particle filter with carbon mesh
Material	Polypropylene
Item Weight	0.23 Kilograms
Assembly Required	No
Product Dimensions	4.83 x 20.32 x 28.19 cm; 230 g
Package Weight	0.46 Kilograms
Batteries Required	No
Batteries Included	No

ブルーエア空気清浄機 [正規品] Blue Pure 411 交換用フィルターパーティクルプラスカーボン 100929 ホワイト

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ブルーエア 空気清浄機 [正規品] Blue Pure 411 交換用フィルター パーティクル プラス カーボン 100929 ホワイト

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

ブルーエア空気清浄機 [正規品] Blue Pure 411 交換用フィルターパーティクルプラスカーボン 100929 ホワイト