MERV 11 from AAF Flanders covers the full commercial product range at this efficiency tier — Pre-Pleat M11, VariCel and VariCel II, DriPak, MEGApleat. Every MERV 11 filter in this collection is manufactured by AAF Flanders, tested per AS...

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  • 20x24x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.022024M11 (12 Filters)
    MERV 11
    AAF Flanders

    20x24x2 PREpleat M11 MERV 11 Standard Capacity

    $222.99
    $222.99
    Case of 12 $18.58/filter
  • 18x25x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021825M11 (12 Filters)
    MERV 11
    AAF Flanders

    18x25x2 PREpleat M11 MERV 11 Standard Capacity

    $224.99
    $224.99
    Case of 12 $18.75/filter
  • 14x20x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021420M11 (12 Filters)
    MERV 11
    AAF Flanders

    14x20x2 PREpleat M11 MERV 11 Standard Capacity

    $215.99
    $215.99
    Case of 12 $18.00/filter
  • 12x20x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021220M11 (12 Filters)
    MERV 11
    AAF Flanders

    12x20x2 PREpleat M11 MERV 11 Standard Capacity

    $225.99
    $225.99
    Case of 12 $18.83/filter
  • 18x25x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.011825M11 (12 Filters)
    MERV 11
    AAF Flanders

    18x25x1 PREpleat M11 MERV 11 Standard Capacity

    $152.99
    $152.99
    Case of 12 $12.75/filter
  • 16x20x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.011620M11 (12 Filters)
    MERV 11
    AAF Flanders

    16x20x1 PREpleat M11 MERV 11 Standard Capacity

    $145.99
    $145.99
    Case of 12 $12.17/filter
  • 12.75" x 26" x 9.48" Cartridge Filter AAF REDClean DFR MERV 11 - Compatible with Donaldson DF, UAS Dusthog FJH - AB-113021-N101
    MERV 11
    AAF Flanders

    12.75" x 26" x 9.48" Cartridge Filter AAF REDClean DFR MERV 11 - Compatible with Donaldson DF, UAS Dusthog FJH -

    $156.09
    $156.09
  • 13.87" x 26" x 9.48" Cartridge Filter AAF REDClean DFR MERV 11 - Compatible with Donaldson DFT, ACT, Aercology, Torit Downdraft Bench, UAS Dusthog SFC, US Air Filtration Cleanflo - AB-213021-N101
    MERV 11
    AAF Flanders

    13.87" x 26" x 9.48" Cartridge Filter AAF REDClean DFR MERV 11 - Compatible with Donaldson DFT, ACT, Aercology, Torit Downdraft Bench, UAS Dusthog SFC, US Air Filtration Cleanflo -

    $164.77
    $164.77
  • 12x12x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-611 (4 Filters)
    MERV 11
    AAF Flanders

    12x12x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-611

    $323.46
    $323.46
    Case of 4 $80.87/filter
  • 12x20x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-610 (4 Filters)
    MERV 11
    AAF Flanders

    12x20x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-610

    $428.18
    $428.18
    Case of 4 $107.05/filter
  • 24x24x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-608 (4 Filters)
    MERV 11
    AAF Flanders

    24x24x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-608

    $622.37
    $622.37
    Case of 4 $155.59/filter
  • 20x25x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-607 (4 Filters)
    MERV 11
    AAF Flanders

    20x25x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-607

    $599.86
    $599.86
    Case of 4 $149.97/filter
  • 20x24x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-606 (4 Filters)
    MERV 11
    AAF Flanders

    20x24x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-606

    $559.87
    $559.87
    Case of 4 $139.97/filter
  • 20x20x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-605 (4 Filters)
    MERV 11
    AAF Flanders

    20x20x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-605

    $525.40
    $525.40
    Case of 4 $131.35/filter
  • 16x25x4 AAF Flanders VariCel 2+ High Capacity Single Header MERV 11 3184627-603 (4 Filters)
    MERV 11
    AAF Flanders

    16x25x4 VariCel 2+ High Capacity Single Header MERV 11 3184627-603

    $568.18
    $568.18
    Case of 4 $142.05/filter
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AAF Flanders MERV 11 Air Filters

MERV 11 from AAF Flanders covers the full commercial product range at this efficiency tier — Pre-Pleat M11, VariCel and VariCel II, DriPak, MEGApleat. Every MERV 11 filter in this collection is manufactured by AAF Flanders, tested per ASHRAE 52.2, UL 900 Classified where applicable, and Section 889/NDAA compliant for federal procurement.

What MERV 11 Captures

MERV 11 adds capture of pet dander, smoke, and fine pollen down to 1 micron at 65%+ efficiency. Specified in healthcare waiting areas, allergy-conscious office buildings, schools with sensitive populations, and any commercial application requiring tighter IAQ than standard MERV 8.

Application Fit

  • Healthcare waiting areas and outpatient clinics
  • Allergy-conscious office buildings
  • Schools with sensitive student populations
  • Pet-friendly residential

Cross-Family Selection

This collection pulls every AAF MERV 11 filter regardless of product family. Use the size filter to narrow to your nominal dimensions, or browse the family pages directly:

Volume pricing, net terms, COIs, and W-9s available for commercial and federal accounts. Call 1-866-469-8556 or request a quote.