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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  • 18x22x1 EZ Flow Filters (12 Filters)
    MERV 1-4
    AAF Flanders

    18x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $175.99
    $175.99
    Case of 12 $14.67/filter
  • 21x23x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    21x23x1 Fiberglass MERV 1-4

    $183.99
    $183.99
    Case of 12 $15.33/filter
  • 14x28x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    14x28x1 Fiberglass MERV 1-4

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 25x32x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    25x32x1 Fiberglass MERV 1-4

    $199.99
    $199.99
    Case of 12 $16.67/filter
  • 8x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01816 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $84.99
    $84.99
    Case of 12 $7.08/filter
  • 22x24x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    22x24x1 Fiberglass MERV 1-4

    $194.99
    $194.99
    Case of 12 $16.25/filter
  • 15x30-5/8x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01153058 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x30-5/8x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $98.99
    $98.99
    Case of 12 $8.25/filter
  • 24x25x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    24x25x1 Fiberglass MERV 1-4

    $186.99
    $186.99
    Case of 12 $15.58/filter
  • 19x27x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011927 (12 Filters)
    MERV 1-4
    AAF Flanders

    19x27x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $104.99
    $104.99
    Case of 12 $8.75/filter
  • 17x19x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011719 (12 Filters)
    MERV 1-4
    AAF Flanders

    17x19x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $96.99
    $96.99
    Case of 12 $8.08/filter
  • 18-1/2x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.0118522 (12 Filters)
    MERV 1-4
    AAF Flanders

    18-1/2x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $156.99
    $156.99
    Case of 12 $13.08/filter
  • 17-1/2x19-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01175195 (12 Filters)
    MERV 1-4Sold out
    AAF Flanders

    17-1/2x19-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $60.99
    $60.99
    Case of 12 $5.08/filter
  • 13-1/2x29-1/4x1 (13.5x29.25x0.75) Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    13-1/2x29-1/4x1 (13.5x29.25x0.75) Fiberglass MERV 1-4

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 15x35x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01599 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x35x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $184.99
    $184.99
    Case of 12 $15.42/filter
  • 24x20x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    24x20x1 Fiberglass MERV 1-4

    $174.99
    $174.99
    Case of 12 $14.58/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.