Best 5 Air Conditioner Filters in 2026

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

20x20x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 19.50" x 0.75")

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

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models

Nominal size: 16x25x1; Actual size 15 3/4"x 24 3/4" x 3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7

Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke

Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months

Nominal size: 20x20x1; Actual size: 19 3/4" x 19 3/4" x 3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5.

Designed to filter microscopic particles such as lint, dust mites, spores, and pollen

Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months

16x25x1 MERV 8 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 15 11/16’’ x 24 11/16’’ x 3/4‘’. Comparable with MPR 600 & FPR 5. 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 8 100% 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.

Nominal Size: 18 x 24 x 1, Actual Size: 17 1/2 x 23 1/2 x 3/4 (17.5 x 23.5 x 0.75)

Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.

Ideal for high efficiency air filtration and will help those with moderate allergies and asthma.

AC/Furnace filter for capturing household irritants, improving air quality, and promoting furnace efficiency; 12 x 12 x 1 inch filters, 6-pack

Merv 11 rating for residential use; comparable to MPR 1000-1200 and FPR 7

Captures allergens between 1-10 microns including lint, fine dust, pet dander, and pollen

MERV 11

Actual Size: 19-3/4" X 24-3/4" X 4-3/8"

2 Filters

Manufacturer: THERMWELL

Manufacturer Part Number: F1524

Frost King Washable Foam Air Filter For Air Conditioners, 24X15X1/4 In. - 471002

Eliminates dust and pollen from the air

Made from polyurethane foam, it is both washable and reusable

Cut foam down to any size

Universal activated carbon pre filter can be cut to fit any size filter. A thin 1/16 inch thickness odor absorber.

Removes Dust Lint Smoke Pet hair Common household chemicals Benzene and other VOCs so all you’re left with is fresh, breathable air

Can be cut to size for air purifiers, range hood filters, humidifier filter, vents, vent filter, grease filter and furnace filter. 16x48 charcoal sheet

MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters

Great For Allergy Sufferers

Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.

THE HIGHER THE MPR, THE MORE PARTICLES - such as pollen, pet dander, baceteria and viruses - your filter will capture from the air passing through it

ATTRACTS AND CAPTURES particles such as lint, pollen, dust, and pet dander

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

Air Conditioner Replacement Filter – Designed to fit standard window air conditioner units this 24” x 16” air filter helps remove impurities from the air including pet hair, dust, lint, smoke, and VOCs.

Universal Cut-to-Fit Sizing – Our premium air filter air conditioner pad can be cut down to size to fit standard home window AC units, RV air filters, and other common in-window air conditioners to better support your day-to-day needs.

Experience Cleaner, Healthier Air – This air conditioner foam utilizes activated carbon to help cleanse the air as it circulates which is important for improving overall air quality and making it safer for pets, kids, and families.

Frigidaire (FRIGB)

This is a genuine replacement part

Appliance-Replacement-Parts

Breathe In Clean Air - Maintain excellent air quality in your living space with these MERV 6 air filters.

Maintain Optimal Air Flow - Help your HVAC system function at its best each day. Measuring 20x30x1", our replacement HVAC filters without restricting airflow.

A Snug & Seamless Fit - Our thick furnace filter pads will easily fit most vents with standard dimensions. You may also cut down the filtration media to your preferred size using a pair of scissors.

Alternate part numbers include AP6280063, 4588851, and PS12171954.

This filter net blocks dirt, dust and other airborne particles | Approximately 13 x 8 inches | Fits model specific room air conditioners

It is important to disconnect your appliance from the power supply before servicing.