Best 5 Air Conditioner Filters in 2026

UNIVERSALLY COMPATIBLE: This air conditioner, furnace and HVAC filter works with almost any brand. It is comparable to the 3M Filtrete MPR 600 Dust & Pollen, Filterbuy AFB Silver and the Honeywell FPR 5 models.

CREATE A CLEANER ENVIRONMENT: Entrap air particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen. Nominal Size: 16" x 20" x 1", Actual size is: 19.75" x 15.75" x 0.75"

LONG-LASTING PERFORMANCE: Thanks to the thick build and pleated design, our air conditioner filter offers better capture coverage to trap more unwanted air particles and provides resilient filtration for up to 3 months to let only clean air pass through

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 particles such as lint, pollen, dust, pet dander, smoke and smog

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

16x25x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.75" x 24.75" x 4.38")

Compatible Models: Honeywell Filter Part Numbers (203719, FC35A1001, FC100A1026, FC100A1029, FC100C1009, FC200E1011, FC200E1029), Air Cleaner Models (F25, F35 / F35R, F100 / F150, FC200), Air Kontrol (#DPP51624), Bryant (FILBBCAR0016, FILXXCAR0016), Carrier (CARF8250606, EXPXXFIL0016, EXPXXLMC0016, EXPXXUNV0016, FILCCCAR0016, FILXXCAR0016, CMF1625, P102-1625), Day & Night / Payne (MACPAK16), Lennox (X0583, X6670, HCF16-10)

MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow

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

New MERV 10 (at 492 FPM) performance with lower pressure drop at no additional cost!

Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2 1999!

Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large particles, E3=3.0 to 10.0 microns

Quality alternative to the OEM filter that offers more affordability without compromising filtration performance or efficiency.

Compatible with Honeywell / Trane / American Standard TRN2621T1, BAYFTAH26M, BAYFTAH26M2, and FLR06074 whole house air filters.

21x26x5 NOMINAL: The actual size of this replacement filter is 25.7" x 20.1" x 5".

Actual Size: 19 3/4 inches (length) x 19 7/8 inches (width) x 4 3/8 inches (depth)

Effective Filtration: MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more

High-Quality Contruction: Features an electrostatically charged, pleated design that captures more particles and prolongs the products lifespan by 3 times that of fiberglass models

20x25x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.88" x 24.75" x 4.38")

Our compatible furnance air filter is a standard replacement for the following model air filters: Honeywell F25 (#203720), F35 / F35R (#FC35A1027), F100 / F150 (#FC100A1037), F200 (#FC200E1037), Bryant (FILBBCAR0020, FILXXCAR0020, FILXXCAR0120), Carrier (CARF8250602, CARFC100A1037, CARL86469, EXPXXFIL0020, EXPXXLMC0020, EXPXXUNV0020, FILCCCAR0020, FILXXCAR0020, FILXXCAR0120), Day & Night (MACPAK20), Lennox (X8790, X0586, X5426, X6661, X6673, X7751, BMAC-20C, HCC20-28, HCF20-10, HCF20-16), Payne (MACPAK20)

MERV 11 (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow

Excellent Filtration – Our EconoHome air filters will help you breathe cleaner air indoors. This MERV 11 16x25x4 furnace filters helps catch most airborne particles (lint, fine dust, pet dander, smoke, and more) without impacting the airflow in your home.

Dimensions – This furnace filter actual size: 15-15/16"x24-7/8"x4-3/8

Quick & Easy Installation - Switch off the AC system, remove the old AC air filter, and then slide the new air conditioner filter into place. Please make sure that the arrows match the direction of your system's airflow

MERV 11 AIR FILTER 16x20x4.37 – Filters Fast Air Filters meet the same quality standards as the name brand filters and we back our 16x20x4.37 filter with a MERV RATING 11.

COMPATIBLE WITH – The MERV 11 air filter is the compatible replacement for Honeywell 16x20x4.37 air filter, compatible replacement for FC100A1003.

ENHANCE THE AIR QUALITY IN YOUR HOME – Premium Filters Fast filters will help with overall air quality while also helping to extend the life of your heating and cooling system.

EVERY AIR FILTER has a nominal size and an actual size. The nominal size is rounded to the nearest whole or half inch, normally in a larger font, that helps simplify the purchasing process (ex: 20” x 20” x 1"). Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the precise dimensions of the filter (ex 19.5” x 19.5” x .75").

24x30x1 Replacement air filters for your air conditioner, furnace, or HVAC system. (Filtrete’s MPR 600 & Honeywell’s FPR 5)

The MERV 8 rating protects homes from dust, pollen, mold and more by trapping airborne particles without putting extra stress on your system.

【Efficient Filtering】 The x6675 merv 16 carbon clean filter is an upgraded version of the X6673 (merv 11) and 19L17 (merv 13) models, which can perform air filtration more efficiently compared to the first two，and the furnace filters 20x25x5 is made of coconut activated and carbon coated fiber matrix, and can remove over 95% of impurities less than 0.3 microns,as well as over 90% of impurities greater than 0.01 microns,providing you with the highest quality air environment.

【X6675 Filter Compatibility】:The actual size of X6675 healthy climate carbon clean filter is 24.8 x 4.3 x 19.8 inches ,and the 20x25x5 MERV 16 filter is compatible with Honeywell,Carrier,Trion air Bear models and the HCC02-28 model that accept 20x25x5 filters.

【Simplicity of Operation】:The installation of our furnace filter 20x25x5 is very simple and easy to operate,and the merv 16 carbon clean filter is a suitable replacement for your furnace,air conditioner filte,or HVAC system,used for filter replacement in homes,hospitals,and even anywhere.