Top 10 Blue Air Replacement Filters 121 – Home Air Purifier Parts & Accessories

As an Amazon Associate I earn from qualifying purchases.

1. Blueair

#ad

Fits Blue Pure 121 Air Purifier, BLUEAIR Blue Pure 121 Genuine Replacement Filter, Extra Protection Particle and Activated Carbon

#ad
Blueair #ad - Recyclable: Please check your local recycling facilities for availability. Compatible with blue pure 121: blueair extra Protection Combination Particle + Carbon Replacement Filter compatible with Blue Pure 121 air purifiers;.

Automated filter replacement: subscribe & save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months when used 24 hours a day. Removes even tiniest airborne particles down to 01 micron: particle filter removes airborne particles such as pollen, viruses, mold, pet dander,  bacteria, and dust from your indoor environment.

Traps stronger odors up to 2x faster: A layer of activated carbon pellets remove stronger odors, smoke, gases, and volatile organic compounds up to 2x faster. Filters built to last: using a 360-degree air intake and up to 4x the filter surface area, the Blue Pure 121 Extra Protection Particle and Activated Carbon Filter lasts on average 6 months to a year; optimizing air flow and performance over time.
BrandBlueair #ad
ManufacturerBlueair #ad
Height18.2 Inches
Length2.5 Inches
Width13 Inches
Part NumberF121PACF101653
ModelF121PACF101653
WarrantyN/a.

2. Mbetter

#ad

HEPA and Activated Carbon Filter…, 121 Replacement Filter Compatible with Blueair Blue Pure 121 Air Purifier

#ad
Mbetter #ad - Warranty: we are committed to customer satisfaction, please feel free to contact us, if you encounter any problems during use, we will definitely give you a satisfactory answer within 24 hours. Superior performance: 121 replacement filter removes annoying household odors, like pollen, as well as 99.

Perfect compatible: these filter have the same specification with original filter, replacement filters compatible with Blueair Blue Pure 121 Air Purifier to maintain superior performance over time and ensures your warranty remains intact. 1 μm of airborne particles, and gases, chemicals, dust and pet dander. Easy to use: filter structure traps even the smallest particles and resists clogging to maintain maximum airflow.

Our unique hepa filtration technology allows our filters to be less dense, resulting in quieter and more energy efficient air purifiers. Technology innovation: new activated carbon distribution technology, compared to carbon particles and carbon network distribution is more uniform, Absorbs household odors, fumes, chemicals and volatile organic compounds VOCs more quickly and effectively.97% as small as 0 .
BrandMbetter #ad
ManufacturerMbetter #ad
Height3 Inches
Length21 Inches
Width20 Inches
Part Number1

3. LHARI

#ad

Odors, Smoke, Particle and Activated Carbon Filter Captures Bacteria, Dust, Compatible with Blueair Blue Pure 121 Air Purifier, Lhari 121 Relacement Filter

#ad
LHARI #ad - 121 replacement filter is ideal for people who has allergies to dust, pollen, pet hair and dander. For best performance, change filter every 6 months or depend on usage.

True hepa 121 filter helps capture airborne particles down to 01 microns in size like pollen, dust, pet dander, mold spores, PM 2.55, allergens and bacteria. Package contains 1 * 121 replacement filter, item dimensions: 11. 5x11. 5x19. 5 inches. Activated carbon 121 filter helps reduce strong smoke, odors, gases and VOCs for a very long time. Blue pure 121 replacement filter compatible with Blueair Blue Pure 121 air purifier.
BrandLHARI #ad
ManufacturerLhari #ad
Height19.5 Inches
Length11.5 Inches
Width11.5 Inches
Part Number121 Filter
Model121 Filter Replacement

4. Mbetter

#ad

Pet Dander Lunar Rock, 4 Pack 121 Replacement Washable Pre-Filter for Blueair Blue Pure 121 Air Purifier, Diva Blue, Dust, Removes Pollen

#ad
Mbetter #ad - Warranty: if you have any questions about our products, please feel free to contact us, we will definitely give you a satisfactory answer within 24 hours. Easy to use: washable pre-filter for blueair blue pure 121 Air Purifier, removable, washable and reusable, we recommend you clean it once every 2-3 weeks to maintain the peak performance of your air purifier.

First line of defense: 121 cover is the outermost layer of the air purifier and effectively removes larger particles, hair, dust and pet dander, pollen, extending the life of the filter. Premium fabric: 121 replacement pre-filter is made of high quality nylon and spandex material, which is densely woven and will not fade or shrink, and is extremely flexible and tough.

Home decoration: the package contains 4 121 pre-filters replacement, 2 lunar rock, 2 diva Blue, you can replace different colors pre-filters based on the position and scene placed in the air purifier to facilitate decoration of your room.
BrandMbetter #ad
ManufacturerMbetter #ad

5. LUXRILIX

#ad

BluePure 121 Replacement Filter Compatible with Blueair Blue Pure 121 Air Purifier HEPA Carbon Filter

#ad
LUXRILIX #ad - Superior compatibility: the 121 replacement filter compatible with blueair BLUE PURE 121 Air Purifier, the outer size approximate 19. 5" length x 11. 5" width, ️️before buying, please pay attention to check the size. Premium quality hepa filter material: The air filter replacement adopts dual-effect filter structure, the external HEPA filter layer and the internal activated coconut carbon filter layer.

Replace filter every 6 months: to keep your air purifier at peak performance, over time air purifier filters can get clogged with dirt, That's because, we recommend replacing the filter about every 6 months when used 24 hours a day, and even let unpleasant odors back into the room. Efficiently purifies air:the air purifier filter efficiently collects a variety of small and large dirt and odors, Purify the air through a highly efficient filter layer, such as common household odors, grease and smoke odors, fibers and hair, bring you and your family healthier and purer air.

Risk-free shopping:if you are not satisfied with any of our air purifier replacement cartridges, you can contact us anytime within three months, we are more than willing to refund you! .
BrandLUXRILIX #ad
Manufactureryl super products #ad
Part Number121 replacement filter
Model121 replacement filter

6. Ontheone

#ad

True HEPA 121 Replacement Filter Compatible with Blueair Blue Pure 121 Purifier, Particle True HEPA Filter and Activated Carbon

#ad
Ontheone #ad - Simply remove the older and dirty 121 Filter and replace re-secure the cover, in just 1 minute. Included 1 Pack 121 Filter. Dimensions: 121 filter replacement :19.

5''x11. 5''x11. 5''. Compatibility: 121 filter replacement Compatible with Blueair Blue Pure 121 Purifier. 2 stage filtration: premium true hepa 121 filter removes 99. 97% of airborne particles down to 03 microns in size. 121 filter replacement Replace every 6-8 months depending on the usage and environment. Easy to install: the 121 filter replacement is easy to be replaced and disposed of without any tool required. Activated carbon filter efficiently removes household odors from pets, smoking, cooking, and VOCs. Customer services: we will respond within 24 hours if you have any questions about the 121 Filter Replacement.
BrandOntheone #ad
ManufacturerOntheone #ad
Part NumberHEPA-121

7. AirClean

#ad

2-Pack Repalcement Particle & Activated Carbon HEPA Filters + 4 Washable Pre-Filters Compatible with Blueair Blue Pure 121 Air Purifier

#ad
AirClean #ad - Satisfaction guaranteed: if dissatisfied with the item, just claim a return/refund to get full money back. The filter set compatible with Blueair Blue Pure 121 air purifier.

With 4 washable and reusable pre-filters, you don’t need to wait when replacing the pre-filters. Order now and buy risk-free. Clean & replace filter frequently—in order to maintain the best performance, please clean the Pre-Filter every 7-15 days and replace the HEPA Filter every 6 months, or depending on the usage. Value combo set: package contains 2 Combination Particle + Carbon HEPA Filters and 4 Washable Pre-Filters.
BrandAirClean #ad
ManufacturerAirClean #ad
Height6.3 Inches
Length20.87 Inches
Weight104 ounces
Width19.88 Inches
Part NumberANF121PACF104507
ModelAN121

8. LHARI

#ad

Mini Air Purifiers, 411+, 411, Compatible with Blueair Blue Pure 121, Lhari 121 Filter replacements + 411 Replacement Filter 2-pack

#ad
LHARI #ad - Particle filter captures up to 99. 97% of airborne particles like pollen, pet dander, bacteria, mold, dust that passing through the filter. Blue 121 filter replacements compatible with Blueair Blue Pure 121 air purifier. Blue 411 filter replacement compatible with blueair blue pure 411, 411+, and MINI air purifiers. Ideal for people who has allergies to dust, pollen, pet hair and dander. Activated carbon layer helps reduce strong smoke, odors, gases and VOCs for a very long time.
BrandLHARI #ad

9. LHARI

#ad

Lhari Blue 211+ Replacement Filter Compatible with Blueair Blue Pure 211+ Air Purifiers, Blue 121 Replacement Filter Compatible with Blueair 121 Air Purifiers

#ad
LHARI #ad - The activated carbon layer helps reduce odors, chemicals, smoke, VOCs and more, it won't re-release particles or harmful odors back into the air. Blue 211 filter compatible with Blueair Blue Pure 211+ and MAX air purifiers. True hepa filter captures up to 99% of particle pollutants as small as 01 microns in size from your indoor air such as pollen, pet dander, dust, mold spores, bacteria and more. Blue 121 filter replacements compatible with Blueair Blue Pure 121 air purifier. Ideal for people who has allergies to dust, pollen, pet hair and dander.
BrandLHARI #ad

10. Skymechy

#ad

Skymechy True HEPA 121 Replacement Filter Compatible with Blueair Blue Pure 121 Air Purifier, Particle True HEPA Filter and Activated Carbon Replacement Filter

#ad
Skymechy #ad - Premium quality - the blue pure 121 hepa filters remove 99. 97% of airborne particles down to 03 microns in size to remove things like household dust, pet dander, smoking, and pollens. Dimensions: 121 hepa filter: 19.

5” x 11. 5” x 11. 5”. Compatibility - compatible with blueair blue pure 121 Air Purifier Perfectly. Package - this value pack includes 1 x 2 in 1 HEPA Filters and Activated Carbon Filters. 2 in 1 hepa filter and Activated Carbon Filter. Easy to replace and disposable, no tools required. Customer happiness: our responsive customer service team is fully committed to ensuring you have the best experience possible! If you have any questions or concerns, please contact us Via the Amazon homepage and we will answer ASAP! We suggest replacing the 121 HEPA filters every 6-8 months depending on usage for optimal performance.

Blue pure 121 activated carbon filters remove odors from pets, cooking and more.
BrandSkymechy #ad
ManufacturerSkymechy #ad
Part NumberBlue121