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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 443 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
  • CC-1 HM Digital Protective Cover - Clear

    CC-1 HM Digital Protective Cover - Clear

    $29.95
    MSRP: $30.99
    Save 3%
  • CIC-152 HM Digital Controller

    CIC-152 HM Digital Controller

    $348.00
    MSRP: $357.59
    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-200 HM Digital Water Test Meter
  • 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%
  • PS-100 HM Digital Water Test Meter

    PS-100 HM Digital Water Test Meter

    $168.00
    MSRP: $168.99
    Save 1%
  • PS-200 HM Digital Water Test Meter
  • 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%
  • 1-AND-2 WaterCheck Water Test Kit

    1-AND-2 WaterCheck Water Test Kit

    $114.99
    MSRP: $140.29
    Save 18%
  • Pesticide WaterCheck Water Test Kit

    Pesticide WaterCheck Water Test Kit

    $199.99
    MSRP: $215.04
    Save 7%
  • Watercheck WaterCheck Water Test Kit

    Watercheck WaterCheck Water Test Kit

    $155.05
    MSRP: $181.69
    Save 15%
  • 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%
  • 487988 WaterWorks Water Test Kit
  • 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%
  • 2404 Pro Products Water Test Kit

    2404 Pro Products Water Test Kit

    $132.99
    MSRP: $155.24
    Save 14%
  • 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%
  • 218710300 Frigidaire PureSource / PureSourcePlus Refrigerator Filter Wrench
  • 218720100 Frigidaire PureSource / PureSourcePlus Refrigerator Filter O-Ring
  • 2186494B Whirlpool Refrigerator Water Filter Cap - Black
  • 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
  • 2665 American Hydro Systems Rid O' Rust Formula 1000 Rust Stain Preventer

Items 1 to 48 of 443 total

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