How often do I need to change the filters?

Your filter will last up to 9 months thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

What pollutants does the Blue Pure 311i Max filter out?

Our HEPASilent dual filtration technology removes 99.97% of airborne particles, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria, are captured.

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BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier

BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier

Product ID: 668033619

Details

Brand
BLUEAIR
Compatible devices
Air Purifier
Item weight
0.76 Kilograms
Material
Activated
Product dimensions
45L x 29W x

⏰6-month auto-replacement cycle

🌀4-layer filtration system

🛡️90% allergen neutralization

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$289.45

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Breathe Boldly: Defend your space with Blueair’s allergen-blocking powerhouse!

EFFORTLESS FRESHNESS - Subscribe & save with automated filter replacements every 6 months—never miss a beat
SEAMLESS COMPATIBILITY - Specifically engineered for Blue Pure 311i Max & 311i+ Max air purifiers—fit guaranteed
ODOR ALLERGEN DEFENSE - Carbon layer reduces household odors while AllergenBlock targets invisible irritants
ULTIMATE ALLERGEN SHIELD - Neutralizes over 90% of pollen, dust, and pet dander for sneeze-free living
QUADRUPLE FILTRATION POWER - Four advanced layers including AllergenBlock and activated carbon for superior air purity

The BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter is a genuine replacement designed to fit Blue Pure 311i Max air purifiers. Featuring a 4-layer filtration system with an AllergenBlock defense layer, it neutralizes over 90% of common allergens like pollen, dust, and pet dander. The activated carbon layer also reduces light household odors. For optimal performance, replace every 6 months or subscribe for automatic delivery and savings.

Specifications

ASIN	B08KQKR8LY
Air Filter Construction	Pleated
Best Sellers Rank	#52,331 in Kitchen ( See Top 100 in Kitchen ) #397 in Air Purifier Filters
Brand Name	BLUEAIR
Common Applications	Residential, Appliances
Compatible Devices	Air Purifier
Customer Reviews	4.6 4.6 out of 5 stars (93)
Filter Shape	Rectangular
Included Components	Air Purifier Replacement Filter
Item Dimensions L x W x Thickness	45L x 29W x 9.4Th centimeters
Item Type Name	Air Purifier Filter
Item Weight	0.76 Kilograms
Manufacturer	Blueair
Manufacturer Part Number	111228
Material Type	Activated Carbon
Model Number	111228
Number of Items	1
Product Grade	Replacement Filter
UPC	689122026718
Unit Count	1 Count

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