Blueair Blue Pure 211I Max Filter
Best replacement filter for allergy sufferers using compatible air purifiers.
This filter swaps traditional, energy-heavy HEPA layers for a smarter dual-filtration system that stays quiet while working harder. You trade the simplicity of a fixed replacement schedule for a dynamic tracking algorithm that ensures you only swap it out when the air actually demands it.
$75.30
at
Electroeshop
Who it's for
- Allergy sufferers needing relief from fine airborne particles
- Pet owners looking to neutralize lingering household odors
- Purifier owners prioritizing warranty protection and seamless installation
Who should skip it
- Budget-conscious shoppers wary of high recurring maintenance costs
- Eco-conscious consumers wanting to minimize filter waste
- Homeowners dealing with heavy industrial or chemical fumes
Performance breakdown
Filtration Efficiency
Dual-layer technology captures microscopic particles with exceptional precision and reliability.
Energy Efficiency
Optimized airflow design significantly lowers power consumption during continuous operation.
Acoustic Performance
Advanced electrostatic media allows for whisper-quiet air purification in bedrooms.
Usage Tracking
RealTrack algorithm eliminates guesswork by monitoring actual pollution exposure levels.
Allergen Removal
Highly effective at neutralizing common household triggers like dander and pollen.
System Compatibility
Engineered exclusively for the 211i Max to ensure a perfect seal.
Key Specs
Model Identifier
Blue Pure F2Max
Compatibility
Blue Pure 211i Max Air Purifier only
Tested Particle Removal
Min. 99.9% of S. Aureus, K. Pneumoniae, P. Aeruginosa, MS2, E.Coli, H1N1, A.Niger
Tested Particle Size
PM 2.5 (0.1 - 2.5 Microns)
Tested Room Size for Efficacy
30M3
Filter Lifetime Tracking
Proprietary RealTrack Algorithm
Shipping Destination
United States only
Processing Time
1-3 business days
Know before you buy
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