18 x 36 x 1 Air Filter

  • MERV 8

    Pleated
      Fights lint, dust mites, mold spores, pollen, pet dander, and dust.
      18 x 36 x 1 MERV 8 Pleated Air Filter product photo
      View Terms and Conditions
      • Actual Size: 17 3/4" x 35 3/4" x 3/4"
      • Product: P80S.011836
    • MERV 11

      Pleated
        Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke.
        18 x 36 x 1 MERV 11 Pleated Air Filter product photo
        View Terms and Conditions
        • Actual Size: 17 3/4" x 35 3/4" x 3/4"
        • Product: P15S.011836
      • MERV 13

        Pleated
          Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria.
          18 x 36 x 1 MERV 13 Pleated Air Filter product photo
          View Terms and Conditions
          • Actual Size: 17 3/4" x 35 3/4" x 3/4"
          • Product: P25S.011836

        Your 18x36x1 air filters deserve a little TLC. You have been meaning to replace them, but hate to deal with the hassle of the frequent, expensive purchase of such hard-to-find, large filters. At Factory Direct, we offer the lowest price guaranteed on filters that really work. We manufacture our 18x36x1 air filters in-house by combining and assembling two or more custom filters to meet your exact measurement needs. With free shipping, what's not to love? Find your perfect fit today!