10 BEST 20 BY 20 FILTERS for sale in 2024 – compare between the best 20 by 20 filters on sale.

Rank Product Rating
1
Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81)
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2,039 Reviews
Product Highlights
  • 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

$33.00
2
Aerostar Home Max 20x20x1 MERV 13 Pleated Air Filter, Made in the USA, Captures Virus Particles, 6-Pack
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Product Highlights
  • CHECK YOUR FIT - Nominal size: 20x20x1; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10.
  • SUPERIOR FILTRATION EFFICIENCY - Aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust.
  • IMPROVE INDOOR AIR QUALITY - Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms.
  • HIGH PERFORMING - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

$37.99
3
NaturalAire Odor Eliminator Air Filter with Baking Soda, MERV 8, 20 x 20 x 1-Inch, 4-Pack
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Product Highlights
  • 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

$23.96
4
Aerostar Allergen & Pet Dander 20x20x1 MERV 11 Pleated Air Filter, Made in the USA, 6-Pack
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790 Reviews
Product Highlights
  • CHECK YOUR FIT - Nominal size: 20x20x1; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7.
  • SUPERIOR FILTRATION EFFICIENCY - Aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust.
  • IMPROVE INDOOR AIR QUALITY - Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms.
  • HIGH PERFORMING - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

$39.99
5
AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter - Made in the USA - Box of 6
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918 Reviews
Product Highlights
  • MERV 11 furnace filter premium pleated filter, actual size 19.5" x 19.5" x .75"
  • 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
  • Made in USA

$49.73
6
Aerostar Clean House 20x20x1 MERV 8 Pleated Air Filter, Made in the USA, 6-Pack,White
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3,092 Reviews
Product Highlights
  • CHECK YOUR FIT - Nominal size: 20x20x1; This MERV 8 filter is comparable with MPR 600 & FPR 5.
  • SUPERIOR FILTRATION EFFICIENCY - Aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust.
  • IMPROVE INDOOR AIR QUALITY - Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms.
  • HIGH PERFORMING - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

$34.75
7
FilterBuy 20x30x1, Pleated HVAC AC Furnace Air Filter, MERV 8, AFB Silver, 4-Pack
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Product Highlights
  • 20x30x1 (Actual size: 19.5" x 29.5" x 0.75") 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.

$35.92
8
FilterBuy 20x25x4 MERV 8 Pleated AC Furnace Air Filter, (Pack of 2 Filters), Actual size 19 3/8' x 24 3/8' x 3 5/8', 20x25x4 – Silver
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Product Highlights
  • CHECK YOUR SIZE. Nominal Size 20x25x4, Actual Size: 19 3/8" x 24 3/8" x 3 5/8". 20x25x4 MERV 8 Pleated Air Filter for AC HVAC or Furnace (Pack of 2 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.

$34.38
9
Filtrete UR03-2PK-1E 20x25x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra Allergen, 2-Pack
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Product Highlights
  • 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
  • 1500 MPR has a rating of MERV 12

$68.00
10
FilterBuy 20x25x5 Honeywell FC100A1037 Compatible Pleated AC Furnace Air Filters (MERV 11, AFB Gold). Replaces Honeywell 203720, FC35A1027, FC100A1037, FC200E1037, Carrier FILXXCAR-0020. 2 Pack.
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Product Highlights
  • FilterBuy 20x25x5 MERV 11 Whole House Air Filter Replacement (Pack of 2 Filters). Actual size 20 x 24 3/4 x 4 3/8. Manufactured by FilterBuy in the USA using 100% American made components.
  • Designed to replace Honeywell air cleaner F25, Filter #203720. Honeywell F35 & F35R filter # FC35A1027, Honeywell F100 and F150 filter # FC100A1037, and Honeywell F200 filter #FC200E1037.
  • Also replaces Bryant FILBBCAR0020, FILXXCAR0020, FILXXCAR0120. Carrier CARF8250602, CARFC100A1037, CARL86469, EXPXXFIL0020, EXPXXLMC0020, EXPXXUNV0020, FILCCCAR0020, FILCCCAR0020, FILCCCAR0020, FILXXCAR0020, FILXXCAR0120. Day and night MACPAK20. Lennox X8790, X0586, X5426, X6661, X6673, X7751, BMAC-20C, HCC20-28, HCF20-10, HCF20-16. Payne MACPAK20.
  • MERV 11 SYNTHETIC MEDIA DESIGNED FOR ALLERGEN PROTECTION: Attracts and captures pet dander, lint, dust, pollen, dust mite debris, mold spores, smoke, and smog. Great for people with pets or allergies.

$47.82

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