How do I identify the correct replacement cartridge for my Blueair Blue Pure 411 air purifier?

Check the part number stamped on the existing filter or the model plate on your air purifier. For the Blue Pure 411 series, this AllergenBlock filter is compatible with models 411, 411+, and 411Auto. Ensure the dimensions (approx. 2.5" x 12" x 11.5") match your unit to maintain an effective seal.

When should a Blueair Blue Pure 411 filter be replaced?

When used 24 hours a day, your Blueair filter should be replaced every 6 months to effectively reduce airborne pollutants and allergens. Regular replacement ensures optimal performance and continued neutralization of dust, pollen, and pet dander.

Does this filter reduce odors in the air?

Yes, the Blueair Blue Pure 411 Series AllergenBlock filter includes a carbon layer designed to reduce light household odors. This helps create a fresher and more pleasant indoor environment by capturing common smells.

How effective is the AllergenBlock protection?

The AllergenBlock defense layer neutralizes over 90% of the allergen properties such as sneeze-inducing dust, pollen, and pet dander that can trigger discomfort. This makes it beneficial for allergy sufferers and pet owners.

Can I use these filters with other Blueair models?

These AllergenBlock filters are specifically designed for the Blue Pure 411, 411+, and 411Auto air purifier models. They are not compatible with other Blueair series or different brands of air purifiers.

How to buy an original Blueair Blue Pure 411 filter in India?

Purchase genuine Blueair Blue Pure 411 Series AllergenBlock filters from crowcrowcrow.com. We import directly from authorized US retailers and brand partners, ensuring factory-sealed products with all customs duties and GST included. Delivery is via ExpressBox tracked service.

Blueair Blue Pure 411 AllergenBlock Filter 11-Pack | Genuine Replacement for 411, 411+ & 411Auto

Name: Blueair Blue Pure 411 Series AllergenBlock Filter Pack of 11 | Genuine Replacement for 411, 411+ and 411Auto Air Purifiers
Brand: BLUEAIR
SKU: nrj7427
Price: 74772.00 INR
Availability: InStock

About this item

Blueair Blue Pure 411 Series AllergenBlock Filter, Pack of 11. Imported from authorized US retailers and partners, these genuine replacement filters are engineered for optimal performance in your Blue Pure 411, 411+, and 411Auto air purifiers. They feature an advanced AllergenBlock defense layer designed to neutralize over 90% of sneeze-inducing dust, pollen, and pet dander, contributing to cleaner indoor air. The integrated carbon layer also helps reduce light household odors, creating a more pleasant environment.

Each filter is constructed with four layers of filtration, including the specialized AllergenBlock layer and an odor-reducing carbon layer. When used 24 hours a day, these filters are designed to be replaced every 6 months to effectively reduce airborne pollutants and allergens. The dimensions are approximately 2.5" x 12" x 11.5" (6.6 cm x 29.5 cm x 31.4 cm). This pack contains 11 individual filters.

For Indian customers, these filters offer a genuine alternative to local air purifier consumables, ensuring consistent performance and allergen reduction. All customs duties and GST are included in the displayed price. Delivery is via ExpressBox tracked service, providing clarity on your order's journey.

Key Features

The information below is per-pack only
BOOST ALLERGEN PROTECTION: AllergenBlock defense layer neutralizes over 90% of the allergen properties such as sneeze-inducing dust, pollen and pet dander that can trigger discomfort*
UPGRADE YOUR DEFENSES: Blue Pure 411 Auto Series AllergenBlock Blueair filter is designed for optimal performance; Compatible with 411, 411+ and 411Auto air purifier*
SNEEZE-INDUCING ALLERGENS: Four layers of air purifier filtration; AllergenBlock defense layer neutralizes over 90% of pollen, dust and pet dander on the Blueair filter; Carbon layer reduces light household odors*
AUTOMATED FILTER REPLACEMENT: Subscribe and save up to 10% on auto-delivered filters when replacement is needed; When used 24 hours a day, your Blueair filter should be replaced every 6 months to effectively reduce airborne pollutants and allergens

Why choose this product

Advanced Allergen Defense for Indian Homes

Blueair's AllergenBlock technology is specifically engineered to capture over 90% of common airborne allergens like dust, pollen, and pet dander. In India's diverse climate, where seasonal allergies and pet dander can be significant concerns, these filters provide a crucial layer of defense for healthier indoor air. Unlike generic filters, the genuine Blueair construction ensures optimal airflow and filtration efficiency, preventing premature clogging and maintaining the performance of your Blue Pure 411, 411+, or 411Auto air purifier. This pack of 11 offers a substantial supply for extended use.

Who It's For vs. Who Should Skip It

These filters are ideal for households with pets, individuals suffering from seasonal allergies, or anyone seeking to reduce common airborne irritants and light odors in their living space. They are perfect for owners of Blue Pure 411, 411+, and 411Auto air purifiers who prioritize genuine, high-performance replacement parts. Skip these if you own a different model of Blueair air purifier or require filters for industrial-grade air treatment systems, as compatibility is specific to the 411 series.

How to use

Ensure your Blue Pure 411, 411+, or 411Auto air purifier is unplugged from the power source before attempting to replace the filter. — Power Off Air Purifier
Carefully detach the top housing or outer casing of your air purifier. Gently pull out the existing filter unit from the main body of the appliance. — Remove Old Filter
Remove any protective packaging from the new Blueair AllergenBlock filter. Insert it into the air purifier, ensuring it sits securely and correctly aligned within the housing. — Install New Filter
Replace the outer casing or top housing. Plug the air purifier back into the power source and turn it on. Reset the filter replacement indicator if applicable. — Reassemble and Power On

Example scenarios

Typical situations where Blueair Blue Pure 411 Series AllergenBlock Filter Pack of 11 | Genuine Replacement for 411 helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

Managing pet dander and seasonal pollen in a Delhi apartment.

How this product helps

This 11-pack of Blueair AllergenBlock filters captures over 90% of pet dander and pollen, significantly reducing airborne allergens. Each filter lasts 6 months, providing continuous clean air for a healthier home environment.

Scenario 2

Illustrative example

Where it helps

Ensuring clean air for a child with dust allergies in a humid Mumbai home.

How this product helps

The AllergenBlock layer effectively neutralizes dust allergens, while the carbon layer tackles common household odors. Consistent 6-month filter life ensures ongoing protection against dust triggers, crucial for sensitive respiratory systems.

Technical specifications

Setup & usage

Compatibility	Blue Pure 411, 411+, 411Auto Air Purifiers
Recommended Replacement Interval	Every 6 months (when used 24 hours/day)
Estimated Filter Life	6 months per filter at 24/7 operation
Cost per filter	₹6,797 per filter

How we compare

Feature	Blueair Blue Pure	Others
Allergen Capture	Neutralizes >90% dust, pollen, pet dander with AllergenBlock layer	Varies by brand; many local filters offer basic particulate capture but lack specialized allergen neutralization technology.
Odor Reduction	Integrated carbon layer for light household odors	Some local filters include carbon, but effectiveness for light odors can vary significantly.
Filter Life	Designed for 6 months of 24/7 use	Typical local filters may require replacement every 3-6 months depending on usage and air quality.
Cost per Filter (Pack of 11)	₹6,797 per filter	Local 411-compatible filters can range from ₹1500-₹3000 per filter, depending on brand and features.
Genuine Replacement	Factory-sealed, genuine Blueair part imported from authorized US retailers

SKU	nrj7427
Brand	Blueair
Model Number	110671
Color	Black
Material	Carbon Fiber
Dimensions (L x H x W)	12" x 11.5" x 2.5" (30.5 cm x 29.2 cm x 6.4 cm)
Pack Quantity	11 Filters
Unit Count Type	Count
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

Attributes	Current Blueair Blue Pure 411 Series AllergenBlock Filter Pack of 11 \| Genuine Replacement for 411, 411+ and 411Auto Air PurifiersBuy Now	Levoit Vital 100 Air Purifier Replacement Filter 2 Pack \| AHAM Verified True HEPA & Activated CarbonBuy Now	Levoit Core Mini-P Air Purifier Replacement Filter 2 Pack \| AHAM Verified True HEPA FiltrationBuy Now	Levoit Vital 100 Air Purifier Replacement Filter 1 Pack \| True HEPA & Activated Carbon for Smoke, Odors, AllergensBuy Now	Levoit Core P350-P Air Purifier Replacement Filter 1 Pack \| AHAM Verified HEPA Filter for Allergies, Odors, SmokeBuy Now	AIRIAC Fridge Deodorizer 10-Year Refrigerator Deodorizer Odor Eliminator 168 g (5.8 oz) \| Replaces Baking Soda for Fridge and Freezer Absorber Charcoal BagsBuy Now	AIRIAC Fridge Deodorizer 130g (4.58 oz) \| 10-Year Odor Eliminator for Fridge & FreezerBuy Now
Spec
Price

Blueair Blue Pure 411 Series AllergenBlock Filter Pack of 11 | Genuine Replacement for 411, 411+ and 411Auto Air Purifiers

Product details

Frequently bought together

Crowcrowcrow: The Only Safe Lane for US-Market Exclusives

Tested and Trusted · Always Original & 100% Imported

About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

FAQ, See What Others Asked

Your Order Journey: From Purchase to Doorstep

Customer Reviews

Product Comparison