Discount Water Filters and Air Filters at Discount Filter Store.com

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Tier1 600 Air Filter - 20x25x4 (6-Pack)

(Retail Price: $86.34 ) $83.99

Tier1 1500 Air Filter - 20x25x4 (6-Pack)

(Retail Price: $93.34 ) $90.99

Tier1 1900 Air Filter - 20x25x4 (6-Pack)

(Retail Price: $179.99 ) $136.99

  • Advanced

    MERV 8

    • Lint Dust
    • Pet Dander
    • Mold Spores
    • Pollen
    • Dust Mites
    • Fine Dust
    • Auto Emissions
    • Smoke
    • Tobacco Smoke
    • Bacteria
    • Very Fine Dust
    • Odor
    Particle size Effectiveness
    Large > 70%
    Medium -
    Small -
  • Premium

    MERV 11

    • Lint Dust
    • Pet Dander
    • Mold Spores
    • Pollen
    • Dust Mites
    • Fine Dust
    • Auto Emissions
    • Smoke
    • Tobacco Smoke
    • Bacteria
    • Very Fine Dust
    • Odor
    Particle size Effectiveness
    Large > 85%
    Medium 65 - 80%
    Small -
  • Ultimate

    MERV 13

    • Lint Dust
    • Pet Dander
    • Mold Spores
    • Pollen
    • Dust Mites
    • Fine Dust
    • Auto Emissions
    • Smoke
    • Tobacco Smoke
    • Bacteria
    • Very Fine Dust
    • Odor
    Particle size Effectiveness
    Large > 90%
    Medium > 90%
    Small < 75%
  • 20 x 25 x 4 Air Filter Replacements

    Choose between a number of different 20 x 25 x 4 air filters that will fit your furnace or air conditioner, each having its own unique benefits and features. When choosing consider what features are important to you: brand, quality level, efficiency, or allergen type. Whether you want to reduce pollen and pet dander or dust mites and bacteria, find the right 20 x 25 x 4 air filter for your home.