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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Items 1 to 48 of 477 total

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  • Tier1 Aprilaire #401 16 x 28 x 6 MERV 11 Comparable Replacement Filter
  • Tier1 Aprilaire #201 20 x 25 x 6 MERV 13 Comparable Replacement Filter
  • TIER1-DPFI16X20X4M11

    TIER1-DPFI16X20X4M11

    $35.28
    MSRP: $42.87
    Save 18%
  • TIER1-DPFI16X21X5M11

    TIER1-DPFI16X21X5M11

    $60.47
    MSRP: $71.84
    Save 16%
  • TIER1-DPFI16X21X5M11DCM

    TIER1-DPFI16X21X5M11DCM

    $60.47
    MSRP: $71.84
    Save 16%
  • DPFI16X21X5M11DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • TIER1-DPFI16X25X4M11

    TIER1-DPFI16X25X4M11

    $40.31
    MSRP: $48.66
    Save 17%
  • DPFI16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • TIER1-DPFI16X26X5M11DCM

    TIER1-DPFI16X26X5M11DCM

    $53.72
    MSRP: $64.08
    Save 16%
  • DPFI16X26X5M11DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • TIER1-DPFI16X26X5M11DLX

    TIER1-DPFI16X26X5M11DLX

    $62.68
    MSRP: $74.38
    Save 16%
  • DPFI20X20X4M11 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)
  • TIER1-DPFI20X21X5M11

    TIER1-DPFI20X21X5M11

    $66.08
    MSRP: $78.29
    Save 16%
  • TIER1-DPFI20X21X5M11DCM

    TIER1-DPFI20X21X5M11DCM

    $66.08
    MSRP: $78.29
    Save 16%
  • DPFI20X21X5M11DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X25X4M11 Tier1 Replacement Air Filter - 20X25X4 (2-Pack)
  • DPFI20X25X5M11 Tier1 Replacement Air Filter - 20X25X5 (2-Pack)
  • TIER1-DPFI20X26X5M11

    TIER1-DPFI20X26X5M11

    $55.96
    MSRP: $66.65
    Save 16%
  • DPFI20X26X5M11DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • TIER1-DPFI20X26X5M11DLX

    TIER1-DPFI20X26X5M11DLX

    $62.68
    MSRP: $74.38
    Save 16%
  • DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • TIER1-DPFL20X21X5M11

    TIER1-DPFL20X21X5M11

    $61.60
    MSRP: $73.14
    Save 16%
  • DPFPC16X25X5M11DAM Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DBP Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5M11DBT

    TIER1-DPFPC16X25X5M11DBT

    $60.44
    MSRP: $71.81
    Save 16%
  • DPFPC16X25X5M11DCL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5M11DDN

    TIER1-DPFPC16X25X5M11DDN

    $58.20
    MSRP: $69.23
    Save 16%
  • DPFPC16X25X5M11DEA Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DFA Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5M11DGB

    TIER1-DPFPC16X25X5M11DGB

    $60.44
    MSRP: $71.81
    Save 16%
  • DPFPC16X25X5M11DMT Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DPN Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5M11DTL

    TIER1-DPFPC16X25X5M11DTL

    $58.20
    MSRP: $69.23
    Save 16%
  • TIER1-DPFPC16X25X5M11DYO

    TIER1-DPFPC16X25X5M11DYO

    $60.44
    MSRP: $71.81
    Save 16%
  • DPFPC20X20X5M11 Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • TIER1-DPFPC20X20X5M11D5S

    TIER1-DPFPC20X20X5M11D5S

    $58.20
    MSRP: $69.23
    Save 16%
  • TIER1-DPFPC20X20X5M11DAM

    TIER1-DPFPC20X20X5M11DAM

    $58.20
    MSRP: $69.23
    Save 16%
  • DPFPC20X20X5M11DBP Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DBT Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • TIER1-DPFPC20X20X5M11DCL

    TIER1-DPFPC20X20X5M11DCL

    $58.20
    MSRP: $69.23
    Save 16%

Items 1 to 48 of 477 total

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