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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  • 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
  • Custom Size MERV 1-4 Fiberglass Disposable Panel Air Filter
    MERV 1-4
    RTF

    Custom Size MERV 1-4 Fiberglass Disposable Panel Air Filter

    $199.99
    $199.99
  • Custom filters
    Built to your exact size

    Any size, cut to 1/8″. Depth 1″–6″ · MERV 1–13.

    Build your filter
  • 20x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012020 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 14x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011414 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 12x12x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011212 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x12x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011620 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 16x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011625 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $62.99
    $62.99
    Case of 12 $5.25/filter
  • 20x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012025 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $72.99
    $72.99
    Case of 12 $6.08/filter
  • 20x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012022 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $75.99
    $75.99
    Case of 12 $6.33/filter
  • 14x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011424 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 18x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011824 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $64.99
    $64.99
    Case of 12 $5.42/filter
  • 14x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011430 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $97.99
    $97.99
    Case of 12 $8.17/filter
  • 18x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011820 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 12x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011224 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 24x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012430 (12 Filters)
    MERV 1-4
    AAF Flanders

    24x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $95.99
    $95.99
    Case of 12 $8.00/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.