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These are the HVAC air filters our customers choose most—based on real-world performance, reliability, and system protection. Whether you’re replacing a filter at home or maintaining commercial equipment, these best sellers represent a proven balance of airflow, filtration, and value.

✔ Commercial & Residential

✔ Trusted by customers for over 20 years

✔ Quality filters from leading manufacturers

✔ Exact size options available (down to 1/8”)

If you’re not sure which filter is right for your system, these are a great place to start.

Top Picks

A collection of our top HVAC filters from social affiliates and industry leaders.

These are the HVAC air filters our customers choose most—based on real-world performance, reliability, and system protection.

  • PrimeShield MAX Airflow MERV 1-4 Fiberglass Panel Basic Air Filters (12 Pack)
    MERV 1-4
    RTF

    PrimeShield MAX Airflow MERV 1-4 Fiberglass Panel Basic Air Filters

    From $57.99
    From $57.99 $0.00
    Case of 12 $4.83/filter
  • PrimeShield Essential MERV 8 Pleated Air Filters (12 Pack)
    MERV 8
    RTF

    PrimeShield Essential MERV 8 Pleated Air Filters

    From $99.99
    From $99.99 $0.00
    Case of 12 $8.33/filter
  • PrimeShield Enhanced MERV 10 Pleated Air Filters (12 Pack)
    MERV 10
    RTF

    PrimeShield Enhanced MERV 10 Pleated Air Filters

    From $99.99
    From $99.99 $0.00
    Case of 12 $8.33/filter
  • PrimeShield Advanced MERV 11 Pleated Air Filters (12 Pack)
    MERV 11
    RTF

    PrimeShield Advanced MERV 11 Pleated Air Filters

    From $119.99
    From $119.99 $0.00
    Case of 12 $10.00/filter
  • PrimeShield Elite MERV 13 Pleated Air Filters (12 Pack)
    MERV 13
    RTF

    PrimeShield Elite MERV 13 Pleated Air Filters

    From $187.99
    From $187.99 $0.00
    Case of 12 $15.67/filter
  • AAF Flanders PREpleat LPD MERV 10 Standard Capacity (12 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 Standard Capacity

    From $103.99
    From $103.99 $0.00
    Case of 12 $8.67/filter
  • Koch Multi-Pleat XL8 MERV 8 Standard Capacity (12 Filters)
    MERV 8
    Koch

    Multi-Pleat XL8 MERV 8 Standard Capacity

    From $103.99
    From $103.99 $0.00
    Case of 12 $8.67/filter
  • Mech 8 Aluminum Washable Permanent Filter
    MERV 8
    Smith Filter Corporation

    Mech 8 Aluminum Washable Permanent Filter

    From $87.99
    From $87.99 $77.99
  • HVAC Filter with Tape Measure

    Industry Leading Filter Fit Guarantee
  • Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)
    MERV 1-4
    AAF Flanders

    Flanders EZ Flow Fiberglass MERV 1-4 Filter

    From $59.99
    From $59.99 $0.00
    Case of 12 $5.00/filter
  • AAF Flanders PREpleat LPD MERV 10 High Capacity (12 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 High Capacity

    From $111.99
    From $111.99 $0.00
    Case of 12 $9.33/filter
  • AAF Flanders PREpleat M11 MERV 11 Standard Capacity (12 Filters)
    MERV 11
    AAF Flanders

    PREpleat M11 MERV 11 Standard Capacity

    From $123.99
    From $123.99 $0.00
    Case of 12 $10.33/filter
  • AAF Flanders PREpleat M13 MERV 13 (12 Filters)
    MERV 13
    AAF Flanders

    PREpleat M13 MERV 13

    From $195.99
    From $195.99 $0.00
    Case of 12 $16.33/filter
  • NaturalAire Standard MERV 8 (12 Filters)
    MERV 8
    AAF Flanders

    NaturalAire Standard MERV 8

    From $95.99
    From $95.99 $0.00
    Case of 12 $8.00/filter
  • NaturalAire Microparticle MERV 10 (12 Filters)
    MERV 10
    AAF Flanders

    NaturalAire Microparticle MERV 10

    From $137.99
    From $137.99 $0.00
    Case of 12 $11.50/filter
  • NaturalAire Ultra MERV 13 (12 Filters)
    MERV 13
    AAF Flanders

    NaturalAire Ultra MERV 13

    From $174.99
    From $174.99 $0.00
    Case of 12 $14.58/filter
  • Thrift Aire Aluminum Washable Permanent Filter
    Smith Filter Corporation

    Thrift Aire Aluminum Washable Permanent Filter

    From $77.99
    From $77.99 $67.99
  • Flanders Nested Glass EZ-Green Filter
    MERV 1-4
    AAF Flanders

    Flanders Nested Glass EZ-Green Filter

    From $114.99
    From $114.99 $0.00
  • AAF Flanders PREpleat Activated Carbon Odor Control (12 Filters)
    AAF Flanders

    PREpleat Activated Carbon Odor Control

    From $152.99
    From $152.99 $0.00
    Case of 12 $12.75/filter
  • AAF Flanders PerfectPleat MERV 8 High Capacity (12 Filters)
    MERV 8
    AAF Flanders

    PerfectPleat MERV 8 High Capacity

    From $89.99
    From $89.99 $0.00
    Case of 12 $7.50/filter
  • Electrostatic Aluminum Washable Permanent Filter
    Smith Filter Corporation

    Electrostatic Aluminum Washable Permanent Filter

    From $81.99
    From $81.99 $71.99
  • Koch Disposable Fiberglass Panel Filter
    MERV 1-4
    Koch

    Disposable Fiberglass Panel Filter

    From $59.99
    From $59.99 $0.00
  • Koch Disposable Polyester Panel Filter
    MERV 1-4
    Koch

    Disposable Polyester Panel Filter

    From $69.99
    From $69.99 $0.00
  • Custom Size MERV 13 Pleated Air Filter
    MERV 13
    RTF

    Custom Size MERV 13 Pleated Air Filter

    From $295.99
    From $295.99 $0.00
  • Custom Size Koch Disposable Panel Air Filter
    MERV 1-4
    Koch

    Custom Size Disposable Panel Air Filter

    From $218.99
    From $218.99 $0.00
  • Custom Size NaturalAire Standard MERV 8 Air Filter
    MERV 8
    AAF Flanders

    Custom Size NaturalAire Standard MERV 8 Air Filter

    $208.99
    $208.99
  • Naturalaire MERV 10 air filters custom size
    MERV 10
    AAF Flanders

    Custom Size NaturalAire Microparticle MERV 10 Air Filter

    $228.99
    $228.99
  • Custom Size AAF Flanders PREpleat LPD MERV 10 Air Filter
    MERV 10
    AAF Flanders

    Custom Size PREpleat LPD MERV 10 Air Filter

    From $259.99
    From $259.99 $0.00
  • Custom Size AAF Flanders PREpleat M11 MERV 11 Air Filter
    MERV 11
    AAF Flanders

    Custom Size PREpleat M11 MERV 11 Air Filter

    From $289.99
    From $289.99 $0.00
  • Custom Size AAF Flanders PREpleat M13 MERV 13 Air Filter
    MERV 13
    AAF Flanders

    Custom Size PREpleat M13 MERV 13 Air Filter

    From $309.99
    From $309.99 $0.00
  • Custom Size Koch Multi-Pleat XL8 MERV 8 Air Filter
    MERV 8
    Koch

    Custom Size Multi-Pleat XL8 MERV 8 Air Filter

    From $249.99
    From $249.99 $0.00
  • Custom Size Flanders EZ Flow Fiberglass MERV 1-4 Air Filter
    MERV 1-4
    AAF Flanders

    Custom Size Flanders EZ Flow Fiberglass MERV 1-4 Air Filter

    $199.99
    $199.99
  • Custom Size Mech 8 Aluminum Washable Permanent Filter
    MERV 8
    Smith Filter Corporation

    Custom Size Mech 8 Aluminum Washable Permanent Filter

    From $189.99
    From $189.99 $77.99
  • Custom Size Electrostatic Aluminum Washable Permanent Filter
    Smith Filter Corporation

    Custom Size Electrostatic Aluminum Washable Permanent Filter

    From $179.99
    From $179.99 $71.99
  • Custom Size Thrift Aire Aluminum Washable Permanent Filter
    Smith Filter Corporation

    Custom Size Thrift Aire Aluminum Washable Permanent Filter

    From $169.99
    From $169.99 $67.99
  • Flanders AAF Pleated Filter Naturalaire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    NaturalAire Standard MERV 8

    $81.99
    $81.99
    Case of 6 $13.67/filter

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