Best Replacement Filter
Blueair
Blueair Blue Pure 411i Max, 411a Max Replacement Filter
Verified: Aug 31, 2026
Blueair Blue Pure 411i Max, 411a Max Replacement Filter is designed specifically for the Blue Pure 411i Max and 411a Max air purifiers. The Particle + Carbon filter captures airborne particles while activated carbon helps reduce light household odors.
Discounted Offer Price
$51.00
Expert Rating
9.2/10
Expert Analysis: Pros & Cons
What We Like
- •Genuine Blueair replacement filter
- •Compatible with Blue Pure 411i Max and 411a Max
- •Particle + Carbon filtration
- •Captures dust and pollen
- •Helps capture pet dander
- •Activated carbon helps reduce light household odors
- •Easy replacement design
- •AllergenBlock and SmokeBlock options available
- •Smart filter-life monitoring on compatible models
Drawbacks
- •Only compatible with specific Blue Pure 411 Max models
- •Replacement filters are an ongoing maintenance cost
- •Different filter types have different prices
- •Buyers should verify their purifier model before purchasing
The Bottom Line
"A convenient genuine replacement filter for Blue Pure 411i Max and 411a Max owners who want to maintain effective particle and odor filtration."
Key Feature Highlights
- F4MAX replacement filter
- Particle + Carbon option
- AllergenBlock option
- SmokeBlock option
- Designed for Blue Pure 411i Max
- Helps capture dust, pollen and pet dander
- Activated carbon for household odors
Product Overview & Review
The Blueair Blue Pure 411i Max, 411a Max Replacement Filter is a convenient replacement option for keeping compatible Blueair air purifiers working effectively. The standard Particle + Carbon filter is designed to capture airborne particles such as dust, pollen, PM2.5, and pet dander while activated carbon helps trap light household odors from cooking, pets, and smoke. Blueair also offers specialized AllergenBlock and SmokeBlock versions for shoppers who want additional allergen or smoke-focused filtration. The filter is specifically compatible with the Blue Pure 411i Max and 411a Max models, so buyers should check their purifier model before ordering. Blueair's RealTrack technology can monitor filter life on compatible smart models and alert users when replacement is needed.