20 x 20 x 4 Air Filter

  • MERV 8

    Pleated
      Fights lint, dust mites, mold spores, pollen, pet dander, and dust.
      View Terms and Conditions
      • Actual Size: 19 1/2" x 19 1/2" x 3 3/4"
      • Product: P80S.042020
    • MERV 11

      Pleated
        Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke.
        View Terms and Conditions
        • Actual Size: 19 1/2" x 19 1/2" x 3 3/4"
        • Product: P15S.042020
      • MERV 13

        Pleated
          Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria.
          View Terms and Conditions
          • Actual Size: 19 1/2" x 19 1/2" x 3 3/4"
          • Product: P25S.042020

        Purchasing a 20x20x4 air filter shouldn't be a hassle. Air Filters Delivered makes it easy to find the 20x20x4 filters you need for your home or office AC or furnace. We offer 3 MERV options, whether you need protection from dust, lint, pollen, dust mites, and mold, or require stronger filtering of smoke, smog, pet dander, viruses, bacteria, and more. All orders are shipped free and qualify for our price match guarantee.