January 2, 2026

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10 Best air filters of 2026

Explore top picks

Best Choice

1

Filtrete
Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)
Main highlights

Effective Air Filtration
The Filtrete 20x25x4 Air Filter captures unwanted particles for cleaner air.

Ideal for Allergy Sufferers
Perfect for homes needing allergen and dust reduction.

Highly Praised Longevity
Customers appreciate the 12-month lifespan of each filter.
9.9

Exceptional

Our Rating

9.9
Simple to use

9.9
Sheerness

8.9
Durability
How do we rank?

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Real users impact

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Based on millions of stores and reviews

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Analyzing top stores
Value for Money

2

Filtrete

Filtrete 16x25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 15.63 x 24.74 x 4.31)
9.8

Exceptional

Our Rating

9.1
Easy installation

9.1
Durability

8.4
worth the money
3

Simply
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
Main highlights

Universal Compatibility and Efficiency
Fits most HVAC systems, captures 90% of airborne particles.

Ideal for Home and Office Use
Perfect for homes, offices, and commercial spaces needing cleaner air.

Highly Praised for Cost-Effectiveness
Customers love the affordability and performance of the 6-pack.
Key specs
- size:20x20x1
- material:Electrostatically Charged Synthetic Media
- usage:Homes, offices, schools
- special features:Advanced Pleated Technology
- compatible device:HVAC systems
9.5

Excellent

Our Rating

9.9
Sheerness

9.5
Easy installation

9.1
worth the money
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
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

Filtrete
Filtrete 14x30x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters (Pack of 1)
Main highlights

Key Features
Exclusive 3-in-1 technology traps particles, enhancing home air quality. MPR 300/MERV 5 rating for optimal filtration. Change every 90 days for best results.

Ideal Use Cases
Perfect for homeowners looking to improve air quality in their HVAC systems, furnaces, or air conditioners, especially in environments prone to dust and allergens.

Customer Praise
Most reviews highlight the significant improvement in air cleanliness and the ease of subscribing for regular, hassle-free filter replacements.
Key specs
- size:14 x 30 x 1
- material:Electrostatically charged filter media
- usage:Furnace, AC, HVAC
- special features:3-in-1 technology
- compatible device:Furnace, AC, HVAC
9.2

Excellent

Our Rating

9.9
Simple to use

9.5
Easy installation

9.5
Sheerness
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6

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
- filter life:6-8 months
9.1

Excellent

Our Rating

9.9
Easy installation

9.7
Sheerness

9.3
Odor elimination
7

Filtrete

Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)
8.9

Very Good

Our Rating
8

Filtrete

Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
8.6

Very Good

Our Rating
9

Aerostar
Aerostar 16x25x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
Main highlights

Superior Filtration Performance
This MERV 8 filter effectively captures microscopic particles such as lint, dust mites, spores, and pollen, enhancing indoor air quality.

Ideal for Regular Home Use
Perfect for households needing regular air filter replacements, especially beneficial for those with asthma or allergies, and during peak summer and winter months.

Consistent Air Quality Improvement
Customers frequently praise the filters for their significant improvement in air quality, ease of installation, and cost-effectiveness.
Key specs
- size:16x25x1
- material:Synthetic electrostatic media
- usage:Filter microscopic particles
- special features:High efficiency, low resistance
- compatible device:Furnace filters
8.4

Good

Our Rating

9.3
Easy installation

8.7
worth the money

8.2
Durability
10

Filterbuy
Filterbuy 20x24x1 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 19.38 x 23.38 x 0.75)
Main highlights

Key Features
Electrostatically charged MERV 8 media traps 90% of airborne particles, enhancing air quality without restricting flow. Eco-friendly, durable design lasts 3x longer than fiberglass.

Ideal Use Cases
Perfect for homes needing protection from dust, pollen, and more. Suits furnaces, air conditioners, and HVAC systems in environments demanding high air quality.

Customer Reviews Highlight
Most praised for significantly improving indoor air quality, with users noting a noticeable difference in air freshness and reduction in allergens.
Key specs
- size:4 Count Pack of 1
- material:Polyester, Aluminum, Plastic
- usage:Commercial/Residential
- special features:Easy to Install, Dust Collection, Removable
- compatible device:Furnace, air conditioner, HVAC
8.3

Good

Our Rating

9.5
Easy installation

9.3
Durability

9.1
worth the money

10 Best air filters of 2026

1

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

9.9

9.9

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

Filtrete 16x25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 15.63 x 24.74 x 4.31)

9.1

9.1

8.4

3

Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control

9.9

9.5

9.1

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

Filtrete 14x30x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters (Pack of 1)

9.9

9.5

9.5

6

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

7

Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)

8

Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)

9

Aerostar 16x25x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen

9.3

8.7

8.2

10

Filterbuy 20x24x1 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 19.38 x 23.38 x 0.75)

9.5

9.3

9.1

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