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10 Best air conditioner replacement filters of 2026

Save up to 30% off
  • Best Choice

    1

    BNX TruFilter 20x20x1 Air Filter MERV 13 AC Filter, HVAC Furnace Filter, 6 Pack (ACTUAL SIZE 19.69"x19.69"x0.75") Allergies, Dust, Pet Dander & Smoke - MADE IN USA - MPR1500 / FPR 10
    BNX
    9.9
    Exceptional

    BNX TruFilter 20x20x1 Air Filter MERV 13 AC Filter, HVAC Furnace Filter, 6 Pack (ACTUAL SIZE 19.69"x19.69"x0.75") Allergies, Dust, Pet Dander & Smoke - MADE IN USA - MPR1500 / FPR 10

    23% Off Limited Time Deal
    • product dimensions: 19.68 x 19.68 x 0.75 inches
    • item weight: 2.4 pounds
    • batteries included: No
    • item model number: BN-M13S-20x20x1-6PP
    • best sellers rank: 51 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 1 in Air Conditioner Replacement Filters 4 in Furnace Filters
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  • Value for Money

    2

    Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)
    Filterbuy
    9.7
    Exceptional

    Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)

    • product dimensions: 19.5 x 19.5 x 0.75 inches
    • item weight: 1.8 pounds
    • batteries included: No
    • item model number: AFB20x20x1M8pk4
    • best sellers rank: 501 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 17 in Furnace Filters

  • 3

    Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
    Simply
    9.4
    Excellent

    Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control

    18% Off Limited Time Deal
    • product dimensions:‎20 x 20 x 1 inches
    • item weight:‎3 pounds
    • batteries included:‎No
    • item model number:‎MF202016
    • best sellers rank:#19 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #4 in Furnace Filters

  • 4

    Amazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)
    Amazon Basics
    9.3
    Excellent

    Amazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)

    • Frame Material:Beverage board with wire mesh support
    • Filter Dimensions:19.75 x 19.75 x 0.75 inches
    • Electrostatic Feature:Electrostatically charged synthetic material
    • MERV Rating:11
    • Pack Size:6

  • 5

    Genuine AprilAire 210 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)
    Aprilaire
    9.2
    Excellent

    Genuine AprilAire 210 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

    11% Off Limited Time Deal
    • product dimensions:25 x 4 x 20 inches; 1 Pounds
    • item weight:N/A
    • batteries included:N/A
    • item model number:210
    • best sellers rank:#16 in Furnace Filters
  • See Today’s Deals & Prices

  • 6

    Filtrete 20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)
    Filtrete
    9.1
    Excellent

    Filtrete 20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)

    30% Off
    • product dimensions:‎24.69 x 19.69 x 5.25 inches
    • item weight:‎1 pounds
    • batteries included:‎No
    • item model number:‎BD03-6PK-2E
    • best sellers rank:#11 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Furnace Filters

  • 7

    Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
    Amazon Basics
    8.9
    Very Good

    Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")

    • product dimensions:20 x 16 x 1 inches 2.58 Pounds
    • item weight:N/A
    • batteries included:N/A
    • item model number:BP80S.011620-6
    • best sellers rank: 8 in Furnace Filters

  • 8

    Genuine AprilAire 213 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)
    Aprilaire
    8.7
    Very Good

    Genuine AprilAire 213 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)

    11% Off Limited Time Deal
    • product dimensions:25 x 4 x 20 inches; 3.44 Pounds
    • item weight:N/A
    • batteries included:N/A
    • item model number:213
    • best sellers rank:#8 in Furnace Filters

  • 9

    Amazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
    Amazon Basics
    8.5
    Good

    Amazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")

    • product dimensions:25 x 20 x 1 inches 3.6 Pounds
    • item weight:N/A
    • batteries included:N/A
    • item model number:BP80S.012025-6
    • best sellers rank: 8 in Furnace Filters

  • 10

    Filtrete 12x24x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 11.68 x 23.68 x 0.81 in)
    Filtrete
    8.3
    Good

    Filtrete 12x24x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 11.68 x 23.68 x 0.81 in)

    • product dimensions: 25 x 12.38 x 2.5 inches
    • item weight: 1.5 pounds
    • batteries included: No
    • item model number: AD20-2PK-1E
    • best sellers rank: 9 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 3 in Furnace Filters