Blue Pure 211+ Auto Filters | Particle + Carbon, SmokeBlock, AllergenBlock

Quick Model Verification

Compatible Air Purifier: Blue Pure 211+ Auto Room Coverage: Up to 635 sq ft Technology: HEPASilent

Find your model name on the label inside your air purifier before purchasing replacement filters.

Available Filter Options

Particle + Carbon Filter

Standard air purifier filtration with activated carbon layer for odor control. Subscribe & Save Available | Fast Replacement Shipping

SmokeBlock Filter

Enhanced activated carbon designed for smoke and heavy odor removal from air. Subscribe & Save Available | 2x More Activated Carbon

AllergenBlock Filter

Extra allergen protection filter designed for dust, pollen, and pet dander removal. Subscribe & Save Available | Allergen-Focused Design

What Pollutants Do These Air Purifier Filters Remove?

These replacement filters use HEPASilent technology which combines electrostatic and mechanical filtration. Filters capture airborne pollutants down to 0.1 microns including dust particles, pollen allergens, smoke particles, pet dander, household odors, and cooking odors.

Filter Types & Their Specific Benefits

Particle + Carbon Filter – Standard Air Purification

• Captures dust particles, pollen allergens, and pet dander
• Activated carbon layer removes light household odors
• Engineered for Blue Pure 211+ Auto compatibility
• Provides standard air quality improvement
• Designed for general household air purification
• Best for: Regular household dust control and seasonal allergies

SmokeBlock Filter – Heavy Smoke & Odor Control

• Contains 2x more activated carbon than standard filter
• Designed for smoke-heavy environments and air conditions
• Removes higher concentrations of odors and smoke particles
• Compatible with Blue Pure 211+ Auto air purifier
• Enhanced performance for pollution exposure
• Best for: Cooking odors, wildfire smoke, environmental pollution

AllergenBlock Filter – Allergen-Focused Protection

• Extra allergen protection in filter design
• Traps and neutralizes dust, pollen, pet dander allergens
• Captures inanimate allergens for allergy sufferers
• Works with Blue Pure 211+ Auto system
• Specialized for sensitivity reduction
• Best for: Pet owners, seasonal allergies, allergy relief

Extend Air Purifier Filter Life with Washable Pre-filter

The reusable fabric pre-filter captures larger particles before reaching your main filter, extending overall filter life and improving performance.

• Extends main filter life by pre-filtering larger debris
• Washable and reusable — simply rinse and air dry clean & these can also go in the washer and then air dry
• Customizable appearance with Arctic Trail color option
• Works with all three filter types for enhanced filtration
• Cost-effective solution — no replacement cost after purchase

Subscribe & Save Automatic Filter Delivery Plan

Automatic replacement filter delivery with subscriber pricing and savings.

How It Works:

1. Select your filter type (Particle + Carbon, SmokeBlock, or AllergenBlock)
2. Choose delivery frequency (3, 6, or 9-month intervals)
3. Receive subscriber pricing on first order
4. Get discounted pricing on all recurring deliveries
5. Manage subscription or cancel anytime

Plan Benefits:

• Automatic filter purchase reminders
• Consistent pricing on replacement filters
• No long-term obligation required
• Flexible scheduling adjustments
• Pause or skip deliveries as needed

Why Use Genuine Blueair Replacement Filters?

• Tested Performance — Verified HEPASilent technology filtration
• Proper Fit — Engineered specifically for Blue Pure 211+ Auto model
• Compatibility Guaranteed — Verified to work with your air purifier
• Warranty Protection — Genuine filters maintain air purifier warranty
• Reliable Filtration — Consistent particle capture performance
• Quality Materials — Durable construction for full filter life

Filter Comparison Chart

FREQUENTLY ASKED QUESTIONS

Q: Which air purifier model are these filters designed for? 

A: These replacement filters are designed for the Blue Pure 211+ Auto air purifier model.

Q: What are the main differences between the three filter types? 

A: Particle + Carbon provides standard protection. SmokeBlock contains 2x activated carbon for heavy smoke. AllergenBlock has an extra allergen protection design.

Q: How often should I replace my air purifier filter? 

A: Most air purifier filters last 6-9 months depending on usage frequency and air quality conditions.

Q: Can I use air purifier filters from other Blueair models? 

A: No. Always verify your specific air purifier model before purchasing replacement filters to ensure compatibility.

Q: What does the washable pre-filter do for my air purifier? 

A: The pre-filter captures larger particles before reaching the main filter, extending the main filter's life and overall air purification performance.

Q: How do I clean the washable pre-filter? 

A: Rinse the pre-filter under warm water and allow it to air dry completely before reinstalling into your air purifier.

Q: Are these air purifier filters FSA/HSA eligible? 

A: Yes. Blueair replacement filters qualify for FSA and HSA accounts as medical devices.

Q: Can I adjust my Subscribe & Save filter delivery schedule? 

A: Yes. Adjust delivery frequency between 3, 6, and 9-month intervals or cancel anytime without penalties.