February 21, 2026

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10 Best air purifier filters of 2026

Save up to 27% off

1

LEVOIT

LEVOIT Genuine Core300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,2 Pack

10% Off
9.9

Exceptional

Our Rating

9.9
Easy installation

9.7
Simple to use

9.3
Odor elimination
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

Smilyan
6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

15% Off
Main highlights

Comprehensive Compatibility
Compatible with Honeywell HPA100/200/300 and 5000 Series, ensuring broad usability.

Year-Round Fresh Air
Ideal for maintaining clean air and alleviating allergy symptoms.

Perfect Fit
Praised for precise fit and affordability in customer reviews.
Key specs
- features:Captures 99.97% of particles
- material:Non-woven fabric, activated carbon
- package quantity:3 HEPA, 4 Carbon
- compatible device:hpa300
- dimensions:HEPA: 10.2 x 6.5 x 1.6 inches
9.6

Exceptional

Our Rating

9.7
Easy installation

9.5
Simple to use

9.3
worth the money
3

GermGuardian
GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

16% Off
Main highlights

HEPA Pure Filtration Efficiency
GENUINE HEPA PURE air filters capture 99.97% of dust, allergens, and wildfire smoke particles down to 0.1 microns, ensuring cleaner and safer indoor air.

Optimal for Allergy and Odor Control
Ideal for reducing pet dander, cooking odors, and volatile organic compounds, making it perfect for homes with pets and during wildfire seasons.

Perfect Fit and Longevity
Customers appreciate the certified fit and long-lasting performance, with many noting reduced dust and improved air quality in their homes.
9.5

Excellent

Our Rating

9.9
Easy installation

9.7
Simple to use

9.3
Odor elimination
4

GermGuardian
GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

20% Off
Main highlights

HEPA Pure Filtration Efficiency
GENUINE HEPA PURE air filters capture 99.97% of dust, allergens, and wildfire smoke particles down to 0.1 microns, ensuring cleaner and safer indoor air.

Optimal for Allergy and Odor Control
Ideal for reducing pet dander, cooking odors, and volatile organic compounds, making it perfect for homes with pets and during wildfire seasons.

Perfect Fit and Longevity
Customers appreciate the certified fit and long-lasting performance, with many noting reduced dust and improved air quality in their homes.
9.4

Excellent

Our Rating

9.9
Easy installation

9.7
Simple to use

9.3
Odor elimination
5

Cabiclean
Core Mini Replacement Filter Compatible with LEVOIT Core Mini Air Purifier,Core Mini-P, Replace Part #Core Mini-RF, 2 Filter & 10 Fragrance Sponge

23% Off
Main highlights

Key Features
3-in-1 True HEPA Filtration, eco-friendly, higher efficiency with longer life, includes 2 filters and 10 aroma pads.

Ideal Use Cases
Perfect for those with LEVOIT Core Mini Air Purifier, seeking to remove ultra-fine particles and odors for improved air quality.

Customer Praise
Highly praised for its cost-effectiveness, easy installation, and noticeable improvement in air quality, backed by responsive customer service.
Key specs
- features:Higher efficiency, eco-friendly
- material:non woven fabric
- package quantity:2 Pack
- compatible device:LEVOIT Core Mini
- dimensions:5.7 x 5.7 x 4.8 inches
9.3

Excellent

Our Rating

9.9
Easy installation

9.9
Noise level

9.7
worth the money
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6

Cabiclean
Core Mini Replacement Filter Compatible with LEVOIT Core Mini Air Purifier,Core Mini-P, Replace Part #Core Mini-RF, 2 Filter & 10 Fragrance Sponge

27% Off
Main highlights

Key Features
3-in-1 True HEPA Filtration, eco-friendly, higher efficiency with longer life, includes 2 filters and 10 aroma pads.

Ideal Use Cases
Perfect for those with LEVOIT Core Mini Air Purifier, seeking to remove ultra-fine particles and odors for improved air quality.

Customer Praise
Highly praised for its cost-effectiveness, easy installation, and noticeable improvement in air quality, backed by responsive customer service.
Key specs
- features:Higher efficiency, eco-friendly
- material:non woven fabric
- package quantity:2 Pack
- compatible device:LEVOIT Core Mini
- dimensions:5.7 x 5.7 x 4.8 inches
9.2

Excellent

Our Rating

9.9
Easy installation

9.9
Noise level

9.7
worth the money
7

HKNECE

3 Pack MK06 MK01 Replacement Filter Compatible with AROEVE MK01 MK06 and Compatible with Kloudi DH-JH01 Air Purifier, 3-in-1 True HEPA High-Efficiency Activated Carbon Filter for Home Large Room
9.0

Excellent

Our Rating
8

LEVOIT
LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack
Main highlights

Effective Filtration System
3-in-1 filter captures dust, pollen, and odors.

Ideal for Allergy Sufferers
Perfect for households with pets, smokers, or allergies.

Highly Praised Durability
Sturdy filter material allows for regular vacuuming.
Key specs
- features:Ultra-fine Nylon Pre-Filter
- material:Nylon
- package quantity:1
- compatible device:Levoit Core300-P
- dimensions:7.48 x 7.48 x 6.3 inches
8.9

Very Good

Our Rating

9.9
Easy installation

9.7
Sheerness

9.3
Odor elimination
9

LEVOIT
LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack
Main highlights

Effective Filtration System
3-in-1 filter captures dust, pollen, and odors.

Ideal for Allergy Sufferers
Perfect for households with pets, smokers, or allergies.

Highly Praised Durability
Sturdy filter material allows for regular vacuuming.
Key specs
- features:Ultra-fine Nylon Pre-Filter
- material:Nylon
- package quantity:1
- compatible device:Levoit Core300-P
- dimensions:7.48 x 7.48 x 6.3 inches
8.8

Very Good

Our Rating

9.9
Easy installation

9.7
Sheerness

9.3
Odor elimination
10

Smilyan
6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

19% Off
Main highlights

Comprehensive Compatibility
Compatible with Honeywell HPA100/200/300 and 5000 Series, ensuring broad usability.

Year-Round Fresh Air
Ideal for maintaining clean air and alleviating allergy symptoms.

Perfect Fit
Praised for precise fit and affordability in customer reviews.
Key specs
- features:Captures 99.97% of particles
- material:Non-woven fabric, activated carbon
- package quantity:3 HEPA, 4 Carbon
- compatible device:hpa300
- dimensions:HEPA: 10.2 x 6.5 x 1.6 inches
8.5

Good

Our Rating

9.7
Easy installation

9.5
Simple to use

9.3
worth the money

10 Best air purifier filters of 2026

1

LEVOIT Genuine Core300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,2 Pack

9.9

9.7

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

9.7

9.5

9.3

3

GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

9.9

9.7

9.3

4

GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

9.9

9.7

9.3

5

Core Mini Replacement Filter Compatible with LEVOIT Core Mini Air Purifier,Core Mini-P, Replace Part #Core Mini-RF, 2 Filter & 10 Fragrance Sponge

9.9

9.9

9.7

6

Core Mini Replacement Filter Compatible with LEVOIT Core Mini Air Purifier,Core Mini-P, Replace Part #Core Mini-RF, 2 Filter & 10 Fragrance Sponge

9.9

9.9

9.7

7

3 Pack MK06 MK01 Replacement Filter Compatible with AROEVE MK01 MK06 and Compatible with Kloudi DH-JH01 Air Purifier, 3-in-1 True HEPA High-Efficiency Activated Carbon Filter for Home Large Room

8

LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack

9.9

9.7

9.3

9

LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack

9.9

9.7

9.3

10

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

9.7

9.5

9.3

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