Best 5 Air Conditioner Replacement Filters in 2026

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: MPR 1000, MPR 1200 and MPR 1550 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 4 in. and 5 in. 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!

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

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

Lasts up to 3 months

Manufactured by 3M

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

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: 1197-01)

MPR 1900 has a rating of MERV 13

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

Superior Furnace Filters Replacement Construction And Specs: AIRx Filters 20x20x1 air filter uses electrostatically charged 100% synthetic gradient media can perform at temperature ranging from 180F (82C) continuous service, peak 225F (107C)

Multi-Pack OEM Air Filter Replacement Compatible: AIRx Filters 20x20x1 MERV 11 air filter are a replacement compatible with and comparable to 3M Filtrete 20x20x1 Allergen Defense MPR 1000 1085 1200, Odor Reduction MPR 1200 20x20x1 air filter

15 PLEATS PER LINEAR FOOT – The MERV 8 rating and 15 pleats per linear foot on these air conditioner filters (with 100% high performance Tribo-Electric synthetic media) will do an excellent job with your indoor air.

BULK PACK SAVES YOU TIME AND MONEY – Every order includes (6) high-quality 10x24x1 AC furnace air filters (actual size: 9.75"x23.75x0.75). They’re individually-inspected and securely boxed, ensuring they arrive in perfect condition.

QUALITY REPLACEMENT: Comparable to a 3M Filtrete MPR rating of 1000-1200 (Allergen Defense and Dual-Action Micro Allergen Dust Defense models).

MADE IN USA: Our pleated furnace filters are Made in the USA and offer a high quality replacement air filter option for your air conditioner and/or furnace unit without the high cost.

STATE OF THE ART MERV 8 NANOFIBER MEDIA offers EXCEPTIONAL FILTER PERFORMANCE. Great option for your home furnace filters, air conditioner, as well as commercial HVAC system providing the cleanest air for the healthiest lifestyle. Filti replaceable air filters are designed & manufactured to last 90 days or 3 months. Very economical and easy to install.

PHENOMENAL CONSTRUCTION. Professional beverage board frames leaves you with a filter that will outperform standard filters that are on the market today. An engineered melt-blown design with a 3-layer composition increases dust collection throughout the filter's lifetime.

Wired backed design supports the the filter framework for optimal performance & durability

100% MADE IN AMERICA. Made with recyclable materials helping our environment stay clean while providing superior air quality.