Top 10 Best 20x25x1 in 2026

Last Updated - 7/2/2026

🏆Best Choice

Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.688 x 24.688 x 0.84 in)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated Filtrete 20x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
•EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
•COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
•CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
•CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
•VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
•SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
•MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

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$28.44

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Filterbuy

Filterbuy 20x25x1 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•UNIVERSAL COMPATIBILITY: 20x25x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 19.50" x 24.50" x 0.75")
•MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% of dust without restricting air flow
•LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for best results)
•SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform basic cardboard designs by improving durability and resisting extreme temperatures
•MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality you can trust

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$36.92

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Simply

Simply 20x25x1 Air Filter, Merv 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 19.75"x24.75"x0.75") DUST, Pet, & Allergy Control

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Universally Compatible: Measuring 20" x 25" x 1", with an actual size of 19.75"x24.75" x 0.75", Simply Filters works with almost any brand. Comparable to 3M Filtrete MPR 600, Filterbuy AFB Silver, and Honey well FPR 5.
•Cleaner Air Everywhere: Our filters capture dust, mold, pet dander, and pollen in homes, offices, schools, hospitals, and commercial spaces, trapping 90% of airborne particles, promoting a healthier living environment with clean and fresh indoor air.
•Advanced Pleated Technology: With a higher pleat count than most retail, our meticulously crafted filters offer superior capture coverage, optimizing airflow and efficiency.
•Long-lasting Filtration & Easy Installation: Enjoy up to 3 months of resilient filtration. Hassle-free replacement for air conditioning units or HVAC systems. Follow airflow arrows and insert into the filter slot for central units or return grilles.
•Made in USA: Our filters are made using 100% American components, including recycled materials, ensuring superior performance and quality. Experience exceptional filtration and support local manufacturing.

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$39.92

$47.97

-17%

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Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 19.69x24.69x0.81 in)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 20x25x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
•DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.69 x 24.69 x 0.81
•EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
•COUNTLESS PARTICLES: With a 300 MPR and MERV 5 rating, your Filtrete Filter will help capture many particles from the air passing through it
•VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
•CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
•SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
•MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

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$39.99

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Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 20x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
•EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
•COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
•CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
•CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
•VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
•SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
•MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

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$42.95

$59.75

-28%

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Amazon Basics

Amazon Basics 20x25x1 Air Filter 6 Pack, MERV 8 AC Furnace Filters (Actual Size: 19.75" x 24.75" x 0.75")

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•ENHANCED AIR QUALITY: Merv 8 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner and healthier air in your home
•IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
•DURABLE CONSTRUCTION: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance
•ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
•CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
•ITEM ACTUAL DIMENSION: 19.75"W x 24.75"L x 0.75"Th

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$35.92

$39.92

-10%

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Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.69x24.69x0.78 in)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1” Filtrete 20x25x1 MPR 1900 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
•DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.69 x 24.69 x 0.78
•TOP PICK: Selected by The New York Times Wirecutter for its ability to clean the air of ultrafine particles without straining your HVAC system.
•EXCLUSIVE TECHNOLOGY: HVAC filter designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
•HIGHEST AIRFLOW: Filtrete MPR 1900 Air Filters deliver better airflow than any other brand’s residential 1-in retail MERV 13 filters, based on California Energy Commission claimed data as of 1/29/2036
•CAPTURES MICROPARTICLES: AC filter with a 1900 MPR and MERV 13 rating, as well as a 62% microparticle capture rate, your Filtrete Filter will help capture many microparticles between 0.3 and 1 micron from the air passing through it
•CERTIFIED: This furnace filter is certified asthma and allergy-friendly (1) and helps capture bacteria, viruses, smoke, and smog particles from the air passing through your filter
•VERSATILE USES: Works for changing any air filter in your furnace, air conditioner/heating system or HVAC system; for optimal performance, change your filter at least once every 90 days
•CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
•SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter

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$41.84

$45.99

-9%

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Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated 1” Filtrete 20x25x1 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
•DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.69 x 24.69 x 0.81
•EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
•COUNTLESS PARTICLES: With a 1000 MPR and MERV 11 rating, your air filter will help capture many microparticles from the air passing through it
•CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
•CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
•VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
•SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
•MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

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$58.00

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Filtrete

Filtrete 20x25x1 Air Filter, 3M MERV 1 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size 19.69x24.69x0.88 in)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Clean Home Environment - The Filtrete 20x25x1 HVAC Filter is designed for residential use. It traps unwanted particles in your home's air, promoting a cleaner and fresher living space.
•Easy 3-Month Filter Replacement - For optimal performance of your furnace, air conditioner, or HVAC system, change your filter at least every 90 days. A dirty filter slows air flow and makes the system work harder to keep you warm or cool, wasting energy.
•Well-Structured - Designed with Filtrete's exclusive 3-in-1 technology, the AC filter pulls in and traps unwanted particles, allowing cleaner airflow. These furnace filters 20x25x1 capture more particles than fiberglass air filters.
•Highly Efficient - This filter will provide deep filtration to help you maintain optimal air quality in your home.
•Get Notified When A Change is Needed - Create a change countdown in the Filtrete Smart app. Use the app to scan the barcode on your air conditioner filter's packaging, and choose 30, 60, or 90 days for your replacement countdown. You’ll get a notification to change your 20x25x1 furnace filter when the lifespan is up.

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$29.99

$34.99

-14%

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Aerostar

Aerostar 20x25x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4"x24 3/4"x3/4")

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Nominal size: 20x25x1; Actual size: 19 3/4"x24 3/4"x3/4"; This MERV 6 filter is comparable with MPR 300 & FPR N/A
•Designed to filter microscopic particles such as lint, dust, and pollen
•Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months
•100% synthetic electrostatic media for high efficiency with low air flow resistance
•Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

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$33.99

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Our team evaluates this data alongside genuine user feedback, merging AI analysis with human insights to provide you with real-time, highly-rated recommendations that empower your decision-making with clarity and confidence.