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Water Filter System Parts & Accessories

Find water filter parts and accessories, such as mounting brackets, replacement o-rings, refrigerator ice makers, and water test kits to meet all of your clean water needs. Discount Filter Store has over a hundred different parts for various water filter systems offered by top brands. We are a trusted distributor of Pentek, Kenmore, and HM Digital. Make sure that you have the right tools to keep your water clean and healthy. At Discount Filter Store, we make buying water filter parts easy.

Items 1 to 48 of 468 total

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  • TK-2 Culligan Water Test Kit

    TK-2 Culligan Water Test Kit

    $10.99
    MSRP: $13.34
    Save 18%
  • AP-1 HM Digital Water Test Meter

    AP-1 HM Digital Water Test Meter

    $29.95
    MSRP: $31.96
    Save 6%
  • AP-2 HM Digital Water Test Meter
  • C-342 HM Digital Calibration Solution

    C-342 HM Digital Calibration Solution

    $4.95
    MSRP: $10.34
    Save 52%
  • CC-1 HM Digital Protective Cover - Clear

    CC-1 HM Digital Protective Cover - Clear

    $29.95
    MSRP: $30.99
    Save 3%
  • DM-1 HM Digital Inline Dual TDS Monitor
  • DM-2 HM Digital Commercial Inline Dual TDS Monitor
  • EC-3 HM Digital Water Test Meter
  • OP-STOR HM Digital Electrode Storage Solution
  • ORP-BUF HM Digital Buffer Solution and Electrode Test Kit
  • PH-80 HM Digital Water Test Meter
  • PH-BUF HM Digital Buffer Solution (12-Pack)

    PH-BUF HM Digital Buffer Solution (12-Pack)

    $10.95
    MSRP: $13.79
    Save 21%
  • QC-1 HM Digital Filter System Monitor
  • SM-1 HM Digital Inline TDS Monitor
  • TDS-3 HM Digital Water Test Meter

    TDS-3 HM Digital Water Test Meter

    $24.95
    MSRP: $27.83
    Save 10%
  • TDS-4 HM Digital Water Test Meter

    TDS-4 HM Digital Water Test Meter

    $22.95
    MSRP: $26.45
    Save 13%
  • TDS-4TM HM Digital Water Test Meter

    TDS-4TM HM Digital Water Test Meter

    $24.95
    MSRP: $27.83
    Save 10%
  • ZT-2 HM Digital Water Test Meter

    ZT-2 HM Digital Water Test Meter

    $17.99
    MSRP: $26.45
    Save 32%
  • ALL-IN-ONE WaterSafe Water Test Kit

    ALL-IN-ONE WaterSafe Drinking Water Test Kit

    $21.99
    MSRP: $27.59
    Save 20%
  • BACTERIA WaterSafe Water Test Kit

    BACTERIA WaterSafe Water Test Kit

    $10.99
    MSRP: $17.24
    Save 36%
  • LEAD WaterSafe Water Test Kit

    LEAD WaterSafe Drinking Water Test Kit

    $10.99
    MSRP: $14.94
    Save 26%
  • WS-425W WaterSafe Water Test Kit

    WS-425W WaterSafe Water Test Kit

    $26.99
    MSRP: $31.04
    Save 13%
  • WS-425B WaterSafe Water Test Kit
  • WS-425SPT WaterSafe Water Test Kit (10-Pack)

    WS-425SPT WaterSafe Water Test Kit (10-Pack)

    $80.99
    MSRP: $95.44
    Save 15%
  • 481199 WaterWorks Water Quality Test Kit

    481199 WaterWorks Water Quality Test Kit

    $21.99
    MSRP: $27.59
    Save 20%
  • 487197 WaterWorks Water Test Kit

    487197 WaterWorks Water Test Kit

    $7.99
    MSRP: $9.19
    Save 13%
  • 2403 Pro Products Water Hardness Field Test Kit (open)

    2403 Pro Products Water Hardness Field Test Kit

    $33.99
    MSRP: $41.39
    Save 18%
  • 2401 Pro Products Water Test Kit

    2401 Pro Products Water Test Kit

    $75.99
    MSRP: $89.69
    Save 15%
  • AS-003 Accustar Radon Water Test Kit

    AS-003 Accustar Radon Water Test Kit

    $85.99
    MSRP: $101.19
    Save 15%
  • Spectrum Labs pH Test Kit

    Spectrum Labs pH Test Kit

    $60.99
    MSRP: $82.79
    Save 26%
  • 2186494W Whirlpool Refrigerator Water Filter Cap - White
  • 2260518B Whirlpool PUR Refrigerator Water Filter Cap - Black
  • 2260518W Whirlpool PUR Refrigerator Water Filter Cap - White
  • ADAPTER GE SmartWater Filter Adapter
  • 12490801 Amana Refrigerator Icemaker Water Valve
  • 2655 American Hydro Systems GrassSoGreen Fertilizer
  • 67200 Aquamira Water Treatment Drops (1 oz.) - front

    67200 Aquamira Water Treatment Drops (1 oz.)

    $12.95
    MSRP: $17.19
    Save 25%
  • 67201 Aquamira Water Treatment Drops (2 oz.) - front

    67201 Aquamira Water Treatment Drops (2 oz.)

    $14.95
    MSRP: $19.49
    Save 23%
  • 67400 Aquamira Water Purifier Tablets (12-Pack)

    67400 Aquamira Water Purification Tablets (12-Pack)

    $6.05
    MSRP: $9.78
    Save 38%
  • 67401 Aquamira Water Purifier Tablets (24-Pack)

    67401 Aquamira Water Purification Tablets (24-Pack)

    $12.95
    MSRP: $17.19
    Save 25%
  • 67405 Aquamira Water Purifier Tablets (Military) (10-Pack)
  • 67406 Aquamira Water Purifier Tablets (Military) (50-Pack)

Items 1 to 48 of 468 total

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