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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

Items 1 to 48 of 105 total

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  • Tier1 1900 Air Filter - 18x30x4 (6-Pack)

    Tier1 1900 Air Filter - 18x30x4 (6-Pack)

    (Retail Price: $207.34 ) $204.99

  • Tier1 1500 Air Filter - 20x34x4 (6-Pack)

    Tier1 1500 Air Filter - 20x34x4 (6-Pack)

    (Retail Price: $208.34 ) $205.99

  • Tier1 1500 Air Filter - 22x26x4 (6-Pack)

    Tier1 1500 Air Filter - 22x26x4 (6-Pack)

    (Retail Price: $208.34 ) $205.99

  • Tier1 1500 Air Filter - 22x28x4 (6-Pack)

    Tier1 1500 Air Filter - 22x28x4 (6-Pack)

    (Retail Price: $208.34 ) $205.99

  • Tier1 1900 Air Filter - 24x25x4 (6-Pack)

    Tier1 1900 Air Filter - 24x25x4 (6-Pack)

    (Retail Price: $216.34 ) $213.99

  • Tier1 1500 Air Filter - 24x28x4 (6-Pack)

    Tier1 1500 Air Filter - 24x28x4 (6-Pack)

    (Retail Price: $217.34 ) $214.99

  • Tier1 1500 Air Filter - 20x32x4 (6-Pack)

    Tier1 1500 Air Filter - 20x32x4 (6-Pack)

    (Retail Price: $218.34 ) $215.99

  • Tier1 1500 Air Filter - 24x30x4 (6-Pack)

    Tier1 1500 Air Filter - 24x30x4 (6-Pack)

    (Retail Price: $218.34 ) $215.99

  • Tier1 1900 Air Filter - 16x32x4 (6-Pack)

    Tier1 1900 Air Filter - 16x32x4 (6-Pack)

    (Retail Price: $218.34 ) $215.99

  • Tier1 1900 Air Filter - 16x36x4 (6-Pack)

    Tier1 1900 Air Filter - 16x36x4 (6-Pack)

    (Retail Price: $218.34 ) $215.99

  • Tier1 600 Air Filter - 24x36x4 (6-Pack)

    Tier1 600 Air Filter - 24x36x4 (6-Pack)

    (Retail Price: $218.34 ) $215.99

  • Tier1 1900 Air Filter - 15x30x4 (6-Pack)

    Tier1 1900 Air Filter - 15x30x4 (6-Pack)

    (Retail Price: $219.34 ) $216.99

  • Tier1 1500 Air Filter - 30x30x4 (6-Pack)

    Tier1 1500 Air Filter - 30x30x4 (6-Pack)

    (Retail Price: $222.34 ) $219.99

  • Tier1 1500 Air Filter - 20x36x4 (6-Pack)

    Tier1 1500 Air Filter - 20x36x4 (6-Pack)

    (Retail Price: $226.34 ) $223.99

  • Tier1 1900 Air Filter - 24x28x4 (6-Pack)

    Tier1 1900 Air Filter - 24x28x4 (6-Pack)

    (Retail Price: $229.34 ) $226.99

  • Tier1 1900 Air Filter - 15x36x4 (6-Pack)

    Tier1 1900 Air Filter - 15x36x4 (6-Pack)

    (Retail Price: $233.34 ) $230.99

  • Tier1 1900 Air Filter - 22x28x4 (6-Pack)

    Tier1 1900 Air Filter - 22x28x4 (6-Pack)

    (Retail Price: $235.34 ) $232.99

  • Tier1 1900 Air Filter - 20x32x4 (6-Pack)

    Tier1 1900 Air Filter - 20x32x4 (6-Pack)

    (Retail Price: $238.34 ) $235.99

  • Tier1 1900 Air Filter - 20x34x4 (6-Pack)

    Tier1 1900 Air Filter - 20x34x4 (6-Pack)

    (Retail Price: $238.34 ) $235.99

  • Tier1 1900 Air Filter - 22x26x4 (6-Pack)

    Tier1 1900 Air Filter - 22x26x4 (6-Pack)

    (Retail Price: $238.34 ) $235.99

  • Tier1 P85S.643036 30x36x4 Air Filter (6-pack)

    Tier1 600 Air Filter - 30x36x4 (6-Pack)

    (Retail Price: $242.34 ) $239.99

  • Tier1 1900 Air Filter - 30x30x4 (6-Pack)

    Tier1 1900 Air Filter - 30x30x4 (6-Pack)

    (Retail Price: $245.34 ) $242.99

  • Tier1 1500 Air Filter - 24x36x4 (6-Pack)

    Tier1 1500 Air Filter - 24x36x4 (6-Pack)

    (Retail Price: $248.34 ) $245.99

  • Tier1 1900 Air Filter - 24x30x4 (6-Pack)

    Tier1 1900 Air Filter - 24x30x4 (6-Pack)

    (Retail Price: $248.34 ) $245.99

  • Tier1 1900 Air Filter - 18x36x4 (6-Pack)

    Tier1 1900 Air Filter - 18x36x4 (6-Pack)

    (Retail Price: $251.34 ) $248.99

  • Tier1 1900 Air Filter - 20x36x4 (6-Pack)

    Tier1 1900 Air Filter - 20x36x4 (6-Pack)

    (Retail Price: $253.34 ) $250.99

  • Tier1 1500 Air Filter - 30x36x4 (6-Pack)

    Tier1 1500 Air Filter - 30x36x4 (6-Pack)

    (Retail Price: $261.34 ) $258.99

  • Tier1 1900 Air Filter - 24x36x4 (6-Pack)

    Tier1 1900 Air Filter - 24x36x4 (6-Pack)

    (Retail Price: $276.34 ) $273.99

  • Tier1 P25S.643036 30x36x4 Air Filter (6-pack)

    Tier1 1900 Air Filter - 30x36x4 (6-Pack)

    (Retail Price: $282.34 ) $279.99

  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • Filtrete 1000 Micro Allergen Filter - 14x36x1 (6-Pack)

    Filtrete 1000 Micro Allergen Filter - 14x36x1 (6-Pack)

    (Retail Price: $211.34 ) $208.99

  • 602855 Trojan UV Max UV Lamp
  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $209.99 Retail Price:  $279.00
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99 Retail Price:  $273.69
  • 8017763 Katadyn Camping Filter System

    8017763 Katadyn Camping Filter System

    $219.95 Retail Price:  $255.24
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99 Retail Price:  $226.54
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $219.99 Retail Price:  $232.29
  • PAS-1036 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX1260-RE (4-Pack)

    $220.99 Retail Price:  $391.75
  • SST1HA 3M Aqua-Pure Water Filter System Housing
  • BBFS-222 Pentek Three Housing Filter System

    BBFS-222 Pentek Three Housing Filter System

    $224.99 Retail Price:  $251.03
  • TW30HP-2526 Filmtec Reverse Osmosis Membrane

    TW30HP-2526 Filmtec Reverse Osmosis Membrane

    $225.99 Retail Price:  $279.99
  • ST-2 Pentek Filter Housing - Stainless Steel

    ST-2 Pentek Filter Housing - Stainless Steel

    $226.99 Retail Price:  $286.57

Items 1 to 48 of 105 total

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