18 x 18 x 1 Air Filter

  • MERV 8

    Pleated
      Fights lint, dust mites, mold spores, pollen, pet dander, and dust.
      18 x 18 x 1 MERV 8 Pleated Air Filter product photo
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    • MERV 11

      Pleated
        Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke.
        18 x 18 x 1 MERV 11 Pleated Air Filter product photo
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      • MERV 13

        Pleated
          Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria.
          18 x 18 x 1 MERV 13 Pleated Air Filter product photo
          View Terms and Conditions
        • Choose Your Filter

          Select Quality

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          Buy more and save!
          • 58.74 6-Pack (9.79 each)
          • 105.84 12-Pack (8.82 each)

          Select Quantity

          Buy more and save!
          • 65.76 6-Pack (10.96 each)
          • 118.32 12-Pack (9.86 each)

          Select Quantity

          Buy more and save!
          • 77.64 6-Pack (12.94 each)
          • 139.68 12-Pack (11.64 each)

          About 18 x 18 x 1 Air Filter

          Please Note: Due to COVID-19, MERV 11 media supplies are limited at this time. Please check back here soon for updates or consider our MERV 13 filters.
          • Actual Size: 17 3/4" x 17 3/4" x 3/4"
          • Product: P25S.011818

          Looking to improve your air with a new 18x18x1 air filter? Whether you want to increase your MERV rating or simply replace your existing filter, you have come to the right place for a highly efficient, yet affordable, alternative. Made in America, our products avoid added costs like international shipping to bring you the best price in the market. Our 18x18x1 air filters come in four different MERV ratings, including MERV 13, which captures pet dander, bacteria, and so much more! Discover which option works best for you and your family or coworkers by installing in your home or office AC unit or furnace.