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 411 Series Air Purifier Replacement Filter, Everyday

BLUEAIR Genuine 411 Series Air Purifier Replacement Filter, Everyday

Product ID: 45978223

Details

Air Filter Construction
Pleated
Brand
BLUEAIR
Compatible Devices
Air Purifier
Item Weight
0.23 kg
Manufacturer
Blueair
Material
Polypropylene

⏳6-12 months filter lifespan

🌀360° air intake for max coverage

🛡️99.9% pollutant reduction in 60 min

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Description

🌬️ Breathe smarter, live fresher — the filter your air deserves!

ACTIVATED CARBON MESH - Neutralizes odors and harmful VOCs for a fresher, healthier home.
EFFORTLESS REPLACEMENT - Keep your Blueair Pure 411 performing at peak with easy swap filters.
HEPA SILENT TECH EFFICIENCY - Combines mechanical & electrostatic filtration for superior pollutant capture.
360 AIR INTAKE POWERHOUSE - Surround your space with cleaner air from every angle.
QUADRUPLE FILTER SURFACE AREA - Lasts up to 4x longer than competitors for uninterrupted freshness.

The Blueair Genuine 411 Series Replacement Filter features advanced polypropylene media and activated carbon mesh to remove particles as small as 0.1 microns and neutralize odors and VOCs. With 360° air intake and 4x the filter surface area, it delivers superior air purification lasting 6 to 12 months, ensuring your Blue Pure 411 series purifier maintains peak performance and cleaner indoor air.

Specifications

ASIN	B073SLDNJW
Air Filter Construction	Pleated
Best Sellers Rank	#4,024 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #27 in Air Purifier Filters
Brand Name	BLUEAIR
Common Applications	Residential, Appliances
Compatible Air Purifier Models	Blueair Blue Pure 411, Blueair Blue Pure 411 Auto, Blueair Blue Pure 411+
Compatible Devices	Air Purifier
Customer Reviews	4.8 4.8 out of 5 stars (9,766)
Included Components	1 particle filter with carbon mesh
Item Dimensions L x W x Thickness	8"L x 1.9"W x 11.1"Th
Item Highlight	Authentic 411 Series Filter, The Everyday Carbon & Particle Filter for Blue Pure 411 Series Only. HEPASilent Technology
Item Type Name	Replacement filter for Blue Pure 411
Item Weight	0.23 kg
Manufacturer	Blueair
Manufacturer Part Number	F411PACF100929
Material Type	Polypropylene
Model Number	100929
Number of Items	1
Number of Packs	1
Product Grade	Like new
UPC	689122009858
Unit Count	1 Count
Warranty Description	No warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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S/.222

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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