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

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Furnace & Air Conditioner Filters

Tier1 water filters are built to deliver maximum performance, at an affordable price. Our Tier1 brand refrigerator water filters are comparable to the OEM models, including the brands Amana, GE, Kenmore, KitchenAid, LG, Maytag, Whirlpool and more. The Tier1 replacement water filters will significantly reduce chlorine, dirt and sediment just like the OEM brands. Buy a Tier1 refrigerator water filter and ensure you serve only the cleanest water, and pay only the best price. Buy a Tier1 refrigerator water filter and ensure you serve only the cleanest water, and pay only the best price. For more Tier1 products and filters click here.


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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)

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