10 Best air filters of 2025

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Best Choice

1

Filtrete
Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

20% Off
Main highlights

High Performance Filtration
The Filtrete MPR 1550 captures unwanted particles for cleaner air.

Ideal for Allergy Sufferers
Certified asthma and allergy-friendly, perfect for sensitive households.

Customer Praised Durability
Highly rated for consistent performance and reliability in reviews.
Key specs
- size:20x25x4
- material:Electrostatically charged filter media
- usage:Furnace, AC, HVAC
- special features:CERTIFIED asthma and allergy-friendly
- merv:12
9.8

Exceptional

Our Rating

9.1
materials Quality

8.9
Durability

8.7
Easy installation
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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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

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Analyzing top stores
Value for Money

2

Filterbuy
Filterbuy 20x30x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.63 x 29.63 x 0.75 Inches)
Main highlights

Efficient Filtration
MERV 8 synthetic media traps 90% of particles, improving air quality.

Versatile Usage
Perfect for residential and commercial HVAC systems, maintaining airflow.

Customer Praise
Highly praised for durability and easy installation by users.
9.7

Exceptional

Our Rating

9.9
Easy installation

9.5
worth the money

9.5
Durability
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

10% Off
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
- merv:8
9.4

Excellent

Our Rating

9.9
Sheerness

9.5
Easy installation

9.1
worth the money
4

Filtrete
Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

15% Off
Main highlights

Key Features
Features exclusive 3-in-1 technology for cleaner air, captures countless particles with a 300 MPR, and designed for easy subscription and savings.

Ideal Use Cases
Perfect for homeowners looking to improve air quality in their HVAC systems, especially beneficial for those changing filters in furnaces or air conditioners.

Customer Praise
Most reviews highlight the noticeable improvement in air quality and ease of installation as the top benefits appreciated by users.
Key specs
- size:24 x 24 x 1
- material:Electrostatically charged filter media
- usage:Furnace, air conditioner
- special features:3-in-1 technology
- merv:5
9.3

Excellent

Our Rating

9.9
Simple to use

9.5
Easy installation

9.5
Sheerness
5

Nordic Pure

Nordic Pure 14x24x1 (13 3/8 x 23 3/8 x 3/4) Tru Mini Pleat MERV 8 AC Furnace Air Filters – 2.5X More Media for Longer-Lasting, High-Efficiency Filtration High-Efficiency Filtration - 2 Pack
9.2

Excellent

Our Rating
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6

Amazon Basics

Amazon Basics 20x20x1 Air Filter 6 Pack, MERV 11 AC Furnace Filters (Actual Size: 19.75 x 19.75 x .75)
9.0

Excellent

Our Rating
7

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
8.9

Very Good

Our Rating

9.9
Easy installation

9.7
Sheerness

9.3
Odor elimination
8

LEVOIT
LEVOIT Air Purifiers for Bedroom Home, 3-in-1 Filter Cleaner with Fragrance Sponge for Better Sleep, Filters Smoke, Allergies, Pet Dander, Odor, Dust, Office, Desktop, Portable, Core Mini-P, White

15% Off
Main highlights

Efficient Air Purification
Levoit Core Mini-P uses 360 VortexAir Technology and 3-stage filtration for superior air quality.

Perfect for Small Spaces
Ideal for bedrooms, offices, and small living areas with a 240 square feet coverage.

Praised Quiet Operation
Customers love the low noise level, enhancing sleep and comfort at 25dB.
Key specs
- floor area:240 Square Feet
- wattage:7 watts
- controller:Button Control
- product dimensions:6.5D x 6.5W x 10.4H
- assembly:No
8.7

Very Good

Our Rating

9.9
Light weight

9.7
Simple to use

9.3
For small areas
9

Aerostar

Aerostar 20x20x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")

14% Off
8.6

Very Good

Our Rating
10

Aerostar
Aerostar 12x12x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen

15% Off
Main highlights

Key Features
MERV 8 efficiency, captures microscopic particles, easy installation, optimal for healthier home air. Manufactured by filtration experts at Filtration Group.

Ideal Use Cases
Perfect for homes needing relief from dust, pollen, and pet dander, especially beneficial in peak allergy seasons and extreme temperatures.

Customer Reviews
Most praised for significantly improving air quality, ease of use, and noticeable difference in reducing allergens and dust indoors.
Key specs
- size:12x12x1
- material:Synthetic electrostatic media
- usage:Filter microscopic particles
- special features:High efficiency, low airflow resistance
- merv:MERV 8
8.4

Good

Our Rating

9.5
Easy installation

9.3
worth the money

8.2
Durability

10 Best air filters of 2025

1

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

9.1

8.9

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

Filterbuy 20x30x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.63 x 29.63 x 0.75 Inches)

9.9

9.5

9.5

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

Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

9.9

9.5

9.5

5

Nordic Pure 14x24x1 (13 3/8 x 23 3/8 x 3/4) Tru Mini Pleat MERV 8 AC Furnace Air Filters – 2.5X More Media for Longer-Lasting, High-Efficiency Filtration High-Efficiency Filtration - 2 Pack

6

Amazon Basics 20x20x1 Air Filter 6 Pack, MERV 11 AC Furnace Filters (Actual Size: 19.75 x 19.75 x .75)

7

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

8

LEVOIT Air Purifiers for Bedroom Home, 3-in-1 Filter Cleaner with Fragrance Sponge for Better Sleep, Filters Smoke, Allergies, Pet Dander, Odor, Dust, Office, Desktop, Portable, Core Mini-P, White

9.9

9.7

9.3

9

Aerostar 20x20x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")

10

Aerostar 12x12x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen

9.5

9.3

8.2

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