21-1/2 x 21-1/2 x 1 Air Filter

  • MERV 8

    Pleated
      Fights lint, dust mites, mold spores, pollen, pet dander, and dust.
    • MERV 11

      Pleated
        Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke.
      • MERV 13

        Pleated
          Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria.
        • Select Quality

          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.
          • $34.10 1-Pack (34.10 each)
          • $38.18 2-Pack (19.09 each)
          • $51.69 3-Pack (17.23 each)
          • $55.56 4-Pack (13.89 each)
          • $66.90 5-Pack (13.38 each)
          • $79.32 6-Pack (13.22 each)
          • $142.92 12-Pack (11.91 each)
          • $38.20 1-Pack (38.20 each)
          • $43.42 2-Pack (21.71 each)
          • $62.73 3-Pack (20.91 each)
          • $83.40 4-Pack (20.85 each)
          • $99.15 5-Pack (19.83 each)
          • $115.80 6-Pack (19.30 each)
          • $208.44 12-Pack (17.37 each)
          • $38.45 1-Pack (38.45 each)
          • $49.28 2-Pack (24.64 each)
          • $72.15 3-Pack (24.05 each)
          • $86.96 4-Pack (21.74 each)
          • $103.30 5-Pack (20.66 each)
          • $121.68 6-Pack (20.28 each)
          • $219.12 12-Pack (18.26 each)
          View Terms and Conditions

          About 21-1/2 x 21-1/2 x 1 Air Filter

          • Actual Size: 21 1/2" x 21 1/2" x 3/4"
          • Product: P25S.0121H21H

          MERV 8 Fights: Dust Mites, Mold Spores, Lint, Household Dust, Pollen

          MERV 11 Fights: Pet Dander, Smoke, Smog, Coughing, Sneezing, Dust Mites, Mold Spores, Lint, Household Dust, & Pollen

          MERV 13 Fights: Bacteria, Virus Carriers, Pet Dander, Smoke, Smog, Coughing, Sneezing, Dust Mites, Mold Spores, Lint, Household Dust, & Pollen

          • $34.10 1-Pack (34.10 each)
          • $38.18 2-Pack (19.09 each)
          • $51.69 3-Pack (17.23 each)
          • $55.56 4-Pack (13.89 each)
          • $66.90 5-Pack (13.38 each)
          • $79.32 6-Pack (13.22 each)
          • $142.92 12-Pack (11.91 each)
          • $38.20 1-Pack (38.20 each)
          • $43.42 2-Pack (21.71 each)
          • $62.73 3-Pack (20.91 each)
          • $83.40 4-Pack (20.85 each)
          • $99.15 5-Pack (19.83 each)
          • $115.80 6-Pack (19.30 each)
          • $208.44 12-Pack (17.37 each)
          • $38.45 1-Pack (38.45 each)
          • $49.28 2-Pack (24.64 each)
          • $72.15 3-Pack (24.05 each)
          • $86.96 4-Pack (21.74 each)
          • $103.30 5-Pack (20.66 each)
          • $121.68 6-Pack (20.28 each)
          • $219.12 12-Pack (18.26 each)
          View Terms and Conditions