MERV 1–7 filters (most commonly MERV 1–4 fiberglass) are built for one job: protect your HVAC equipment from large debris. Affordable, high-airflow, and ideal for rentals, backup stock, and monthly-change schedules.

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  • 14x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011420 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 20x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012030 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $85.99
    $85.99
    Case of 12 $7.17/filter
  • 16x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011616 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 18x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011818 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 20x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012024 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $71.99
    $71.99
    Case of 12 $6.00/filter
  • 19-7/8x21-1/2x1 EZ Flow II Filters (12 Filters)
    MERV 1-4
    AAF Flanders

    19-7/8x21-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $184.99
    $184.99
    Case of 12 $15.42/filter
  • 14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011425 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $62.99
    $62.99
    Case of 12 $5.25/filter
  • 16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011624 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 14x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011418 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 24x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012424 (12 Filters)
    MERV 1-4
    AAF Flanders

    24x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $86.99
    $86.99
    Case of 12 $7.25/filter
  • 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
  • 10x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011020 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 12x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011220 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 25x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012530 (12 Filters)
    MERV 1-4
    AAF Flanders

    25x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $149.99
    $149.99
    Case of 12 $12.50/filter
  • 16x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011630 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $87.99
    $87.99
    Case of 12 $7.33/filter
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MERV 1–7 Air Filters — HVAC, Furnace & AC

MERV 1–7 filters (most commonly MERV 1–4 fiberglass) are built for one job: protect your HVAC equipment from large debris. Affordable, high-airflow, and ideal for rentals, backup stock, and monthly-change schedules. Not an air quality solution.

What MERV 1–7 Captures

  • Dust, lint, and hair
  • Carpet fibers and large debris
  • Insects and cobwebs

What It Doesn't Capture

  • Pollen, pet dander, mold spores, smoke, allergens (requires MERV 8 or higher)

Is MERV 1–7 Right for My System?

Best for: property managers, landlords, HVAC contractors stocking service vehicles, homes prioritizing airflow over filtration, and pre-filter roles in multi-stage systems.

Not ideal for: homes with pets, allergies, asthma, or air quality concerns—step up to MERV 8 or higher pleated filtration.

How Often Should I Change a MERV 1–7 Filter?

Every 60–90 days for 1″ and 2″ filters in a typical residential or light-commercial system. Homes with pets, high occupancy, or heavy HVAC cycling may need every 30–60 days. 4″ and 5″ media cabinets typically run 6–12 months.

Why Buy MERV 1–7 Filters From RememberTheFilter.com

  • Trusted brands — AAF Flanders, Koch, and our own PrimeShield line.
  • Filter Fit Guarantee — if the size doesn't fit as expected, we'll make it right.
  • Free shipping over $50, subscribe & save up to 10%, commercial & bulk pricing available.

Not sure which rating your system can handle? Take our MERV quiz or call 1-866-469-8556.