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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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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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  • DPFI16X20X4 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)
  • DPFI16X21X5 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • TIER1-DPFI16X21X5DCM

    TIER1-DPFI16X21X5DCM

    $54.87
    MSRP: $65.40
    Save 16%
  • DPFI16X21X5DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • TIER1-DPFI16X25X4

    TIER1-DPFI16X25X4

    $38.07
    MSRP: $46.08
    Save 17%
  • DPFI16X26X5DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • TIER1-DPFI20X20X4

    TIER1-DPFI20X20X4

    $35.83
    MSRP: $43.50
    Save 18%
  • DPFI20X21X5DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • TIER1-DPFI20X25X4

    TIER1-DPFI20X25X4

    $35.83
    MSRP: $43.50
    Save 18%
  • DPFI20X25X5 Tier1 Replacement Air Filter - 20X25X5 (2-Pack)
  • DPFI20X26X5DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • TIER1-DPFI20X26X5DLX

    TIER1-DPFI20X26X5DLX

    $53.72
    MSRP: $64.08
    Save 16%
  • DPFL16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFPC16X25X5D5S Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5DAM

    TIER1-DPFPC16X25X5DAM

    $53.72
    MSRP: $64.08
    Save 16%
  • DPFPC16X25X5DBP Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DBT Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DCL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5DDN

    TIER1-DPFPC16X25X5DDN

    $53.72
    MSRP: $64.08
    Save 16%
  • TIER1-DPFPC16X25X5DEA

    TIER1-DPFPC16X25X5DEA

    $53.72
    MSRP: $64.08
    Save 16%
  • DPFPC16X25X5DFA Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DGB Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DMT Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • TIER1-DPFPC16X25X5DPN

    TIER1-DPFPC16X25X5DPN

    $53.72
    MSRP: $64.08
    Save 16%
  • TIER1-DPFPC16X25X5DTL

    TIER1-DPFPC16X25X5DTL

    $53.72
    MSRP: $64.08
    Save 16%
  • TIER1-DPFPC20X20X5DCL

    TIER1-DPFPC20X20X5DCL

    $51.48
    MSRP: $61.50
    Save 16%
  • TIER1-DPFPC20X20X5DDN

    TIER1-DPFPC20X20X5DDN

    $51.48
    MSRP: $61.50
    Save 16%
  • DPFPC20X20X5DEA Tier1 Replacement Air Filter - 20X20X5 (2-Pack)

Items 1 to 48 of 365 total

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