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

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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.

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45 Item(s)

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  • Tier1 1900 Air Filter - 18x22x1 (6-Pack)

    18x22x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $80.99
    MSRP: $83.34
    Save 3%
  • Tier1 1900 Air Filter - 12x24x1 (6-Pack)

    12x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $81.99
    MSRP: $84.34
    Save 3%
  • Tier1 1900 Air Filter - 20 x 22-1/4 x 1 (6-Pack)
  • Tier1 1900 Air Filter - 20x23x1 (6-Pack)

    20x23x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $81.99
    MSRP: $84.34
    Save 3%
  • Tier1 1900 Air Filter - 19-7/8 x 21-1/2 x 1 (6-Pack)
  • Tier1 1900 Air Filter - 20 x 21-1/2 x 1 (6-Pack)
  • Tier1 1900 Air Filter - 21x21x1 (6-Pack)

    21x21x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $82.99
    MSRP: $96.34
    Save 14%
  • Tier1 1900 Air Filter - 20x24x1 (6-Pack)

    20x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $83.99
    MSRP: $86.34
    Save 3%
  • Tier1 1900 Air Filter - 25x25x1 (6-Pack)

    25x25x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $84.99
    MSRP: $87.34
    Save 3%
  • DPFPCC0017M13 Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M13DBP Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M13DBT Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M13DDN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M13DPN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M13DTL Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0021M13DBP Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M13DBT Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M13DDN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M13DPN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M13DTL Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFT21X235X5AM13 Tier1 Replacement Air Filter - 21X235X5 (2-Pack)
  • DPFT21X235X5AM13DAD Tier1 Replacement Air Filter - 21X235X5 (2-Pack)
  • Tier1 1900 Air Filter - 20x25x2 (6-Pack)

    20x25x2 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $85.99
    MSRP: $88.34
    Save 3%
  • Tier1 1900 Air Filter - 24x24x1 (6-Pack)

    24x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $86.99
    MSRP: $89.34
    Save 3%
  • Tier1 1900 Air Filter - 24x24x2 (6-Pack)

    24x24x2 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $86.99
    MSRP: $89.34
    Save 3%
  • DPFR16X25X3M13DGL Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • Tier1 1900 Air Filter - 12x36x1 (6-Pack)

    12x36x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $87.99
    MSRP: $90.34
    Save 3%
  • Tier1 1900 Air Filter - 13 x 21-1/2 x 1 (6-Pack)
  • 1900 Tier1 Air Conditioner & Furnace Air Filters - 20x22x1 (6-Pack)

    20x22x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $87.99
    MSRP: $90.34
    Save 3%
  • DPFT175X27X5AM13 Tier1 Replacement Air Filter - 17.5X27X5 (2-Pack)
  • DPFT175X27X5AM13DAD Tier1 Replacement Air Filter - 17.5X27X5 (2-Pack)
  • Tier1 1900 Air Filter - 16x32x1 (6-Pack)

    16x32x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $88.99
    MSRP: $91.34
    Save 3%
  • DPFT21X26X5AM13 Tier1 Replacement Air Filter - 21X26X5 (2-Pack)
  • Tier1 1900 Air Filter - 16x22x1 (6-Pack)

    16x22x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 21-1/4 x 21-1/4 x 1 (6-Pack)

    21x21x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 21-1/4 x 23-1/4 x 1 (6-Pack)

    21x23x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 21-1/2 x 23-3/8 x 1 (6-Pack)

    21x23x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 21-1/2 x 23-1/2 x 1 (6-Pack)

    21x23x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 22x22x1 (6-Pack)

    22x22x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 22x24x1 (6-Pack)

    22x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 12x18x2 (6-Pack)

    Tier1 1900 Air Filter - 12x18x2 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%
  • Tier1 1900 Air Filter - 16x18x2 (6-Pack)

    16x18x2 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $89.99
    MSRP: $92.34
    Save 3%

45 Item(s)

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