10 Best Ac Filters of January 2026

List of Top Rated Ac Filters from thousands of customer reviews & feedback.

Updated On Jan 2026

2,704 Reviews Studied

By Customer Ratings

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Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81... Read Review

  • Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 inches air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrate Brand 3 in 1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrate 300 MPR (Micro particle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more micro particles; such as pollen, pet dander, smoke, bacteria and viruses, your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool wasting energy; Sign up for a filter change reminder program that works for you
  • Packaging and filter media may vary for MPR 300

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Filtrete 20x20x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 4-Pack (exact dimensions 19.69 x 19... Read Review

  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses - and large particles, including lint, household dust and pollen
  • 1900 MPR has a rating of MERV 13
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • 62% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses ( % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing)
  • CERTIFIED as asthma & allergy friendly (As outlined in report ASCR: 1246-01)
  • FIND YOUR SIZE: 1900 MPR available in 4 in. , 4 in. slim fit and 5 in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4in. and 5in. Filters
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!

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MervFilters 12x12x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack Read Review

  • UNIVERSALLY COMPATIBLE: This air conditioner, furnace and HVAC filter works with almost any brand. It is comparable to the 3M Filtrete MPR 300 Clean Living, MPR 600 Dust & Pollen and the Honeywell FPR 5 models.
  • CREATE A CLEANER ENVIRONMENT: Entrap airborne particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen. Actual size is: 11 ½"-¾” x 11 ½"-¾” x ¾”
  • PREMIUM CONSTRUCTION: Made in USA with 100% American components to ensure top quality performance. Electrostatically charged synthetic fibers attract large particles without absorbing moisture.
  • ADVANCED PLEATED TECHNOLOGY: Pleated filters deliver multiple benefits – greater surface area means more air coverage, thicker for great capture capacity, and extended life for your AC or furnace.
  • LONG LASTING USAGE: Each filter has a lifespan of over 3 months of resilient filtration. They are very easy to replace and can be changed more often for homes with children or those who suffer from allergies.

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Filtrete 20x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0.... Read Review

  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
  • FOR RESIDENTIAL use only
  • CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you!

5
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Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (exact dimensions 19.88... Read Review

  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through
  • Filtrete 1000 MPR (Microparticle Performance Rating) equates to MERV 11
  • 1000 and 1200 MPR also available in 4”, 4” slim fit and 5” air filters.Material: Synthetic
  • For optimal performance, change your home air filter at least every 90 days for 1” filters, and at least every 12 months for 4” and 5” filters.
  • For residential use only
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!

6
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Filtrete 20x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 19.688 x 24.688 x 0.... Read Review

  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
  • FOR RESIDENTIAL use only
  • CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you!

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NaturalAire Odor Eliminator Air Filter with Baking Soda, MERV 8, 20 x 20 x 1-Inch, 4-Pack Read Review

  • Pack of 4 air filters designed with baking soda media to control, absorb, and eliminate offensive odors
  • MERV 8 rating: Removes household dust, pollen, dirt, mold spores and more
  • V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low
  • Each filter maintains efficiency for up to 90 days
  • Compatible with HVAC systems requiring filters sized 20" x 20"

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AIRx ALLERGY 20x25x1 MERV 11 Pleated Air Filter - Made in the USA - Box of 6 Read Review

  • MERV 11 furnace filter premium pleated filter, actual size 19.5" x 24.5" x .75"
  • Made in USA
  • Compare to 3m Filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters
  • Traps mold, pet dander, smoke particles, pollen and dust mite debris for allergen protection
  • More pleats than most retail air filters - better energy efficiency and captures more particles

9
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FilterBuy 20x20x1, Pleated HVAC AC Furnace Air Filter, MERV 8, AFB Silver, 4-Pack Read Review

  • 20x20x1 MERV 8 Pleated Air Filter for AC HVAC or Furnace (Pack of 4 Filters). AFB Silver MERV 8, comparable with MPR 300 / 600 (clean living and dust & pollen).
  • MADE IN THE USA: Manufactured by FilterBuy in the USA using 100% American made components.
  • TRAPS 90% OF AIRBORNE PARTICLES: Say goodbye to dust, debris, lint, pollen, and pet dander. Say hello to better indoor air quality!
  • LONG-LASTING: Designed to last up to 3 months. Ideal for residential and commercial use.
  • HIGH QUALITY: Filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F. Synthetic media provides significantly higher particulate efficiency than standard cotton media.

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Filtrete 16x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 15.719 x 19.719 x 0.... Read Review

  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
  • FOR RESIDENTIAL use only
  • CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you!