20 x 20 x 4 Air Filter

  • MERV 8

    Pleated
      Fights lint, dust mites, mold spores, pollen, pet dander, and dust.
      20 x 20 x 4 MERV 8 Pleated Air Filter product photo
      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.
        20 x 20 x 4 MERV 11 Pleated Air Filter product photo
        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.
          20 x 20 x 4 MERV 13 Pleated Air Filter product photo
          View Terms and Conditions
          • Actual Size: 19 1/2" x 19 1/2" x 3 3/4"
          • Product: P25S.042020

        Are you in need of a replacement for your 20x20x4 air filter? Or are you looking for an upgrade to your current air quality? Whatever you need from your filters, we have you covered with MERV 8, 11, and 13. Each option removes pet dander, lint, pollen, and dust, while stronger choices will also trap pollutants like bacteria, smoke, and auto emissions. Find the 20x20x4 filter that best suits your needs in your home or office, and enjoy the added benefits of free shipping as well as 6- and or 12-p pack options. Improve your air quality for the entire year with just a few clicks!