Best 20 X 20 X 1 Air Filter

Peter | 05-01-2026

With numerous Best 20 X 20 X 1 Air Filter brands to select from – including big names like Simply,Filterbuy,Filtrete,BNX,Amazon Basics – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best 20 X 20 X 1 Air Filter.

We thoroughly tested and evaluated a wide range of top Best 20 X 20 X 1 Air Filter contenders to help you navigate the crowded market. Our stand-out favorite is Simply Best 20 X 20 X 1 Air Filter for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best 20 X 20 X 1 Air Filter picks currently available.

Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best 20 X 20 X 1 Air Filter. With our research backing your decision, you can confidently invest in a Best 20 X 20 X 1 Air Filter you’ll truly love.

Editor's Choice
Amazon Basics 20x20x1 Air Filter 6 Pack, MERV 11 AC Furnace Filters (Actual Size: 19.75 x 19.75 x
Amazon Basics 20x20x1 Air Filter 6 Pack, MERV 11 AC Furnace Filters (Actual Size: 19.75 x 19.75 x
Premium Pick
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size:
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size:
Budget Pick
Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated
Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated

Top 10 Best 20 X 20 X 1 Air Filter

We researched and compared the top products in the Best 20 X 20 X 1 Air Filter category to provide you with these recommendations.

1. Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size:

  • Universally Compatible: Measuring 20" x 20" x 1", with an actual size of 19.75"x19.75" 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.

2. Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated

Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated
8.7

Filterbuy

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  • UNIVERSAL COMPATIBILITY: 20x20x1 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 19.50" 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

3. Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated

Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated
8.9

Filtrete

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  • MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1 Filtrete 20x20x1 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 filters exact dimensions are 19.69 x 19.69 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
  • 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
  • SUBSCRIBE AND SAVE: On your first order, simply click on Subscribe and Save" to set up your delivery schedule and save up to 10% on your orders

4. BNX TruFilter 20x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic

  • 20x20x1 MERV 11 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 19 11/16 x 19 11/16 x 3/4. Comparable with MPR 1000 -1200 & FPR 7. Electrostatically charged filter media with industry leading low air flow resistance.
  • MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1). Adopts single sided (one-piece) frame technology to reduce environmental waste and made sustainably from recycled cardboard.
  • SUPERIOR PERFORMANCE - The BNX MERV 11 100% synthetic electrostatically charged air filter media outperforms standard fiberglass filters and adopts the latest in electrostatic filtration technology to allow for industry leading superior low air flow resistance while maintaining the highest grade level of filtration.
  • CAPTURES MICROSCOPIC PARTICLES - The BNX air filter has a MERV 11 rating allowing it to capture microscopic airborne particles without impacting air flow. Captures microscopic particles such as odors, pet dander, allergens, dust, lint, mold, dust mites. Noticeably cleaner air in 48 hours.
  • BNX Quality Promise & Applications - BNX is committed to delivering the highest quality American made safety products, made with American workers, and using the latest automated manufacturing processes and technology with the strictest quality standards.

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

Amazon Basics 20x20x1 Air Filter 6 Pack, MERV 11 AC Furnace Filters (Actual Size: 19.75 x 19.75 x
9.8

Amazon Basics

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  • ENHANCED AIR QUALITY: Merv 11 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

6. Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated
8.3

Filtrete

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  • MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 20x20x1 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 filters exact dimensions are 19.69 x 19.69 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 Americas most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

7. Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air
7.9

Aerostar

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  • UNIVERSAL COMPATIBILITY: Fits most standard residential and commercial HVAC systems with a standard 1-inch filter. Including Carrier, Bryant, Payne & Honeywell. Actual size 19.75 x 19.75 x 0.75 Comparable to Filtrete MPR 600 and Honeywell FPR 5 filters.
  • DEPENDABLE MERV 8 (MPR 600 / FPR 5) FILTRATION: Captures up to 90% of airborne particles such as dust, lint, pollen, pet hair, and mold spores to help keep your homes air cleaner and fresher every day.
  • ENHANCED AIRFLOW & EFFICIENCY: Electrostatically charged pleated media traps more particles while allowing smooth air flow. Reducing strain on your HVAC system for consistent performance and energy savings.
  • LONG-LASTING, DURABLE DESIGN: Heavy-duty beverage board frame with moisture-resistant backing and reinforced pleats provides up to 3 months of reliable filtration. Outlasting traditional fiberglass filters.
  • PROUDLY MADE IN THE USA: Manufactured using high-quality materials in American facilities to ensure dependable performance, sustainable production, and cleaner indoor air you can trust.

8. Amazon Basics Merv 5 AC Furnace Air Filter 20x20x1 inches, Pack of 6 (Actual size: 19.75" x 19.75" x

Amazon Basics Merv 5 AC Furnace Air Filter 20x20x1 inches, Pack of 6 (Actual size: 19.75
8

Amazon Basics

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  • CLEANER AIR: Home air filter (6-pack) promotes cleaner indoor air; helps furnace or air conditioner run efficiently
  • EFFECTIVE: Traps materials pass through the filter; rated MERV 5
  • DURABLE: Beverage board frame and wire mesh hold the electrostatically charged filter in place
  • EASY MAINTENANCE: Simply replace the air filter every 60 - 90 days for optimal performance
  • PRODUCT DIMENSIONS: 20 x 20 x 1 inches (LxWxH)

9. Filterbuy 20x20x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack), Electrostatic Pleated

Filterbuy 20x20x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack), Electrostatic Pleated
8.5

Filterbuy

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  • UNIVERSAL COMPATIBILITY: 20x20x1 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 19.50" x 0.75")
  • MERV 11 PERFORMANCE: Protect your home or business from allergens, pets, and more with MERV 11 synthetic media (comparable with MPR 1200 & FPR 7) that captures 95% 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

10. TRIGHTFILTERS 20x20x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air

TRIGHTFILTERS 20x20x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air
7.7

Trightfilters

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  • TOP PERFORMANCE - TRIGHTFILTERS 20x20x1 air filter are made of durable thickened white cardboard that strengthens the overall structure without collapsing, providing better capture range and more consistent high-performance filtration with no noise during use. actual size: 19.8x19.8x0.79in
  • HIGH-EFFICIENCY FILTRATION - MERV 8 replacement filters have more pleats compared to most retail home air filters and merv8 has better air permeability relative to another Merv rating, providing better airflow and efficiency and protecting your machine from damage and extending the life of your machine
  • CAPTURES TINY PARTICLES - MERV 8 AC 20 20 1 furnace air filters comparable with MPR 600, FPR 5, keep trapping 92% of particles as small as 0.5 microns in the air and filter off such as household dust, microscopic particles, lint, dust mites, spores, and pollen, while allowing cleaner air to flow through, giving you a more comfortable and healthy environment
  • WIDE COMPATIBILITY - AC filters are suitable for furnaces, air conditioners, HVAC filters and house vents. Our compact and stable home filters are not only good for your health but also can save you thousands of dollars in repairs and lower monthly energy bills, making them ideal for anyone who wants clean and fresh air
  • EASY TO USE - Installing or replacing our 20x20x1 air filters for AC units or furnaces is as simple as it gets. First, you need to turn off your stove, and then Simply slide the filter into the air filter return device as indicated by the arrow to done! for optimal performance of your heating or cooling or HVAC system, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months

Peter

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