10 Best Air Conditioner Filters

After analyzing 389 products, scanning 2995 reviews, spending more than 36 hours of research and speaking with our test users, we think the Filtrete MPR 1000 16 x 25 x 1 Micro Allergen is the one of the Best Air Conditioner Filters on the market.

# Image Name Brand Price
1 Filtrete MPR 1000 16 x 25 x 1 Micro Allergen Filtrete MPR 1000 16 x 25 x 1 Micro Allergen Defense AC Furnace Air Filter, 2-Pack
(Editor’s Choice)
Filtrete $$$$$ Check price
2 FilterBuy AFB Silver MERV 8 20x20x1 Pleated AC Furnace Air FilterBuy AFB Silver MERV 8 20x20x1 Pleated AC Furnace Air Filter. Pack of 4 filters. 100% produced in the USA. FilterBuy $$$$$ Check price
3 Filtrete Clean Living Basic Dust AC Furnace Air Filter Filtrete Clean Living Basic Dust AC Furnace Air Filter, MPR 300, 20 x 30 x 1-Inches, 6-Pack Filtrete $$$$$ Check price
4 Duck Brand Replacement Air Conditioner Foam Filter Duck Brand Replacement Air Conditioner Foam Filter, 24-Inch x 15-Inch x 1/4-Inch, 1285234
(Best value for the money)
Duck $$$$$ Check price
5 Flanders PrecisionAire 10155.01202 E-Z Flow Air Filter Flanders PrecisionAire 10155.01202 E-Z Flow Air Filter, MERV 4, 20 x 20 x 1-Inch, 12-Pack Flanders $$$$$ Check price
6 Mission Automotive 2-Pack of Dometic Duo Therm-Compatible RV A/C Replacement Mission Automotive 2-Pack of Dometic Duo Therm-Compatible RV A/C Replacement Filters - 14" x 7.5" - Made in The USA - Comparable to 3313107.103/3105012.003 Mission Automotive $$$$$ Check price
7 Duck Replacement Air Conditioner Foam Filter Duck Replacement Air Conditioner Foam Filter, 24-inch by 15-inch by 1/4-inch. Duck Home Smart $$$$$ Check price
8 AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter - Made in the USA - Box of 6 AIRx Filters $$$$$ Check price
9 FilterBuy 16x25x1 MERV 8 Pleated AC Furnace Air Filter FilterBuy 16x25x1 MERV 8 Pleated AC Furnace Air Filter, (Pack of 6 Filters), 16x25x1 – Silver FilterBuy $$$$$ Check price
10 Glasfloss Industries PTA20251 PTA Series Heavy Duty Disposable Panel Air Glasfloss Industries PTA20251 PTA Series Heavy Duty Disposable Panel Air Filter, 12-Case Glasfloss Industries $$$$$ Check price

Filtrete MPR 1000 16 x 25 x 1 Micro Allergen – Best Overall Air Conditioner Filter

Filtrete MPR 1000 16 x 25 x 1 Micro Allergen
  • Helps protect your home by reducing allergens in your air
  • Attracts and captures particles like household dust, lint, dust mite debris, mold spores, pollen, pet dander and smoke
  • Electrostatically charged to attract and capture microscopic airborne particles
  • Compatible With: most home furnaces, most air conditioners. Lasts up to 3 months
  • Manufactured by 3M ; For residential use only

FilterBuy AFB Silver MERV 8 20x20x1 Pleated AC Furnace Air

FilterBuy AFB Silver MERV 8 20x20x1 Pleated AC Furnace Air
  • 20 x 20 x 1 air filter for ac hvac and furnace. 20x20x1 (19.75 x 19.75) furnace filters/ air filters - afb silver merv 8 (4 pack)
  • Afb silver: an advanced filter that offers increased filtration of dust mites and other allergens
  • Removes lint & dust, dust mite debris, pollen and mold spores
  • Merv rating of 8
  • Designed to last 3 months. Air FilterBuy: breathe better

Filtrete Clean Living Basic Dust AC Furnace Air Filter

Filtrete Clean Living Basic Dust AC Furnace Air Filter
  • Electrostatically charged fibers attracts and capture large airborne allergens like: Pollen, Household Dust, Lint
  • Ideal for high-velocity heating and cooling systems
  • 300 MPR Performance Rating
  • Lasts up to 3 months

Duck Brand Replacement Air Conditioner Foam Filter – Best Budget Air Conditioner Filter

Duck Brand Replacement Air Conditioner Foam Filter
  • Eliminates dust and pollen from the air
  • Made from polyurethane foam, it is both washable and reusable
  • Cut foam down to any size
  • Two pieces - each piece is 24 x 15 x 1/4 Inches
  • Fits 1 air conditioning window unit

Flanders PrecisionAire 10155.01202 E-Z Flow Air Filter

Flanders PrecisionAire 10155.01202 E-Z Flow Air Filter
  • Pack of 12 disposable UL Class II rated air filters designed for protection of furnace and central air units
  • MERV 4 rating: Removes household dust, pollen, and lint
  • Continuous chipboard design guards against corner separation while the one-sided metal media retainer adds to the filter strength
  • Each filter maintains efficiency for up to 30 days
  • Compatible with HVAC systems requiring filters sized 20" x 20" x 1"

Mission Automotive 2-Pack of Dometic Duo Therm-Compatible RV A/C Replacement

Mission Automotive 2-Pack of Dometic Duo Therm-Compatible RV A/C Replacement
  • PERFECT FIT FOR DUO THERM MODELS: Our 14 x 7.5 inch replacement RV air filters are a perfect fit for a wide-array of Dometic (TM) Duo Therm RV AC units. These pads replace Dometic (TM) air conditioner foam filter pads #s 3313107.103 / 3105012.003
  • HIGH-QUALITY MATERIAL, MADE IN THE USA: Our filters are made from high-quality PPI filtration foam and are washable / reusable - made to last where other filters wear out. PROUDLY MADE IN THE USA!
  • VALUE PACK OF 2: Two units per pack for maximum value - always have a spare on hand whether you're on the road or just doing some maintenance around the house
  • Please note: This is an aftermarket replacement product (produced by Mission Automotive) meeting or exceeding the quality of OEM filters (based on in-house testing). We have no affiliation with or endorsement from any of the manufacturers mentioned

AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter

AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter
  • 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
  • Compare to 3m Filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters

FilterBuy 16x25x1 MERV 8 Pleated AC Furnace Air Filter

FilterBuy 16x25x1 MERV 8 Pleated AC Furnace Air Filter
  • 16x25x1 MERV 8 Pleated Air Filter for AC HVAC or Furnace (Pack of 6 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. Save big on a premium product by purchasing directly from the manufacturer.
  • 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.

Glasfloss Industries PTA20251 PTA Series Heavy Duty Disposable Panel Air

Glasfloss Industries PTA20251 PTA Series Heavy Duty Disposable Panel Air
  • Progressively Dense Media
  • Metal Retainer Grills
  • Made in the USA
  • Heavy-Duty Construction
  • Thermally Bonded

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