Search

Need a different depth?

Same size, deeper filter

Below is 14x14 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.

14x14x2 Built to order 14x14x4 Built to order

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

  • 16x25x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    16x25x1 NaturalAire Healthy Ultra MERV 13

    $181.99
    $181.99
    Case of 12 $15.17/filter
  • 16x20x4-1/2 NaturalAire Choice Allergen MERV 8 82655.0451620 (2 Filters)
    MERV 8
    AAF Flanders

    16x20x4-1/2 NaturalAire Choice Allergen MERV 8

    $164.99
    $164.99
    Case of 2 $82.50/filter
  • 14x36x1 NaturalAire Standard MERV 8 84858.011436 (12 Filters)
    MERV 8
    AAF Flanders

    14x36x1 NaturalAire Standard MERV 8

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 10x10x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    10x10x1 NaturalAire Microparticle MERV 10

    $225.99
    $225.99
    Case of 12 $18.83/filter
  • WAREHOUSE DEAL 16x20x1 NaturalAire Standard MERV 8 84858.011620 (12 Filters)
    MERV 8Up to $17 off
    AAF Flanders

    WAREHOUSE DEAL 16x20x1 NaturalAire Standard MERV 8

    Only 1 left
    $79.99
    $79.99 $96.99
    Case of 12 $6.67/filter
  • 20x25x3 NaturalAire Choice Allergen MERV 8 82655.032025 (3 Filters)
    MERV 8Contact Support
    AAF Flanders

    20x25x3 NaturalAire Choice Allergen MERV 8

    $210.99
    $210.99
    Case of 3 $70.33/filter
  • 24x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    24x24x1 NaturalAire Healthy Ultra MERV 13

    $261.99
    $261.99
    Case of 12 $21.83/filter
  • 20x20x1 NaturalAire Microparticle MERV 10 85156.012020 (12 Filters)
    MERV 10
    AAF Flanders

    20x20x1 NaturalAire Microparticle MERV 10

    $140.99
    $140.99
    Case of 12 $11.75/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
  • 10x10x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    10x10x1 NaturalAire Microparticle MERV 10

    $116.99
    $116.99
    Case of 6 $19.50/filter
  • 14x22x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $47.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x22x1 NaturalAire Standard MERV 8

    $105.88
    $105.88 $152.99
    Case of 12 $8.82/filter
  • 20x22-1/4x1 NaturalAire Standard MERV 8 84858.01202225 (12 Filters)
    MERV 8
    AAF Flanders

    20x22-1/4x1 NaturalAire Standard MERV 8

    $173.99
    $173.99
    Case of 12 $14.50/filter
  • 29-1/2x23-1/2x1 NaturalAire Standard MERV 8 Filters (12 pack)
    AAF Flanders

    29-1/2x23-1/2x1 NaturalAire Standard MERV 8

    $306.99
    $306.99
    Case of 12 $25.58/filter
  • 12x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    12x30x1 NaturalAire Healthy Ultra MERV 13

    $312.99
    $312.99
    Case of 12 $26.08/filter
  • 12x12x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    12x12x1 NaturalAire Healthy Ultra MERV 13

    $233.99
    $233.99
    Case of 12 $19.50/filter
  • 25x25x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    25x25x1 NaturalAire Healthy Ultra MERV 13

    $230.99
    $230.99
    Case of 12 $19.25/filter
Show more