Search

Need a different depth?

Same size, deeper filter

Below is 14x20 at 1 naturalaire″. A thicker filter holds more before it loads up, so it lasts longer between changes and puts less strain on the blower — we carry the same width and height in the depths below.

14x20x2 Shop this size 14x20x4 Built to order

Ordering for a building? Ask for volume pricing or call 1-866-469-8556.

  • 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
  • 14x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    14x30x1 NaturalAire Microparticle MERV 10

    $141.99
    $141.99
    Case of 12 $11.83/filter
  • 10x20x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10Up to $48 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 10x20x1 NaturalAire Microparticle MERV 10

    $89.99
    $89.99 $137.99
    Case of 12 $7.50/filter
  • 12x20x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    12x20x1 NaturalAire Microparticle MERV 10

    $74.99
    $74.99
    Case of 6 $12.50/filter
  • 14x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    14x30x1 NaturalAire Healthy Ultra MERV 13

    $234.99
    $234.99
    Case of 12 $19.58/filter
  • 14x22x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    14x22x1 NaturalAire Standard MERV 8

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 20x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    20x24x1 NaturalAire Healthy Ultra MERV 13

    $204.99
    $204.99
    Case of 12 $17.08/filter
  • 10x20x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $30.76 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 10x20x1 NaturalAire Standard MERV 8

    $59.99
    $59.99 $90.75
    Case of 11 $5.45/filter
  • 15x20x1 NaturalAire Odor Eliminator with Baking Soda MERV 8 air filter
    MERV 8
    AAF Flanders

    15x20x1 NaturalAire Odor Eliminator with Baking Soda MERV 8

    $57.99
    $57.99
    Case of 4 $14.50/filter
  • 14x24x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $17.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x24x1 NaturalAire Standard MERV 8

    $79.88
    $79.88 $96.99
    Case of 12 $6.66/filter
  • 14x20x1 Flanders Nested Glass EZ-Green Filter 10059.011420 (24 Filters)
    MERV 1-4
    AAF Flanders

    14x20x1 Flanders Nested Glass EZ-Green Filter

    $114.99
    $114.99
    Case of 24 $4.79/filter
  • 14x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    14x24x1 NaturalAire Healthy Ultra MERV 13

    $248.99
    $248.99
    Case of 12 $20.75/filter
  • Naturalaire MERV 10 air filters custom size
    MERV 10
    AAF Flanders

    Custom Size NaturalAire Microparticle MERV 10 Air Filter

    $228.99
    $228.99
  • 20x25x6 NaturalAire Choice Allergen MERV 8 82655.062025 (3 Filters)
    MERV 8Contact Support
    AAF Flanders

    20x25x6 NaturalAire Choice Allergen MERV 8

    $190.99
    $190.99
    Case of 3 $63.66/filter
  • 08x14x1 NaturalAire Standard MERV 8 Filters (12 pack)
    AAF Flanders

    8x14x1 NaturalAire Standard MERV 8

    $219.99
    $219.99
    Case of 12 $18.33/filter
  • NaturalAire Healthy Ultra MERV 13 (4 Filters)
    MERV 13
    AAF Flanders

    NaturalAire Healthy Ultra MERV 13

    $100.99
    $100.99
    Case of 4 $25.25/filter
Show more