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

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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.

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  • PRO-PRODUCTS-2029

    PRO-PRODUCTS-2029

    $9.99
    MSRP: $13.79
    Save 28%
  • Pro Products pH Indicator – Wide Range (#2031)

    Pro Products pH Indicator – Wide Range (#2031)

    $6.99
    MSRP: $8.04
    Save 13%
  • DrainOut SeptoBac Septic Tank Treatment (Pro Products #SB06N)
  • PRO-PRODUCTS-HP05N

    PRO-PRODUCTS-HP05N

    $59.99
    MSRP: $71.29
    Save 16%
  • PRO-PRODUCTS-SP25N
  • American Hydro Systems RR1 Rid O' Rust 2X Concentrate Rust Preventer
  • PRO-PRODUCTS-RR1-2.5

    PRO-PRODUCTS-RR1-2.5

    $87.99
    MSRP: $109.99
    Save 20%
  • American Hydro Systems RR2 Rid O' Rust Extreme Water 2X Concentrate Rust Preventer
  • American Hydro Systems RR2-2.5 Rid O' Rust Extreme Water 2X Concentrate Rust Preventer (2.5 Gallon Container)
  • PRO-PRODUCTS-2001

    PRO-PRODUCTS-2001

    $20.99
    MSRP: $27.99
    Save 25%
  • Pro Products 11506 ProWash Activewear Detergent

    Pro Products 11506 ProWash Activewear Detergent

    $18.99
    MSRP: $24.99
    Save 24%
  • RR1 American Hydron 30 Gallon Rust Preventer by Pro Products
  • Pro Products 2004 Replacement Hardness #2

    Pro Products 2004 Replacement Hardness #2

    $20.99
    MSRP: $28.99
    Save 28%
  • Pro Products 2007 Replacement Hardness #3

    Pro Products 2007 Replacement Hardness #3

    $20.99
    MSRP: $26.99
    Save 22%
  • Pro Products 1257900 Chlorine Test Comparator

    Pro Products 1257900 Chlorine Test Comparator

    $22.99
    MSRP: $30.99
    Save 26%
  • Pro Products 2012 Precipitation #1 Solution Refill

    Pro Products 2012 Precipitation #1 Solution Refill

    $26.99
    MSRP: $34.99
    Save 23%
  • Pro Products 2016 Soap Solution

    Pro Products 2016 Soap Solution

    $8.09
    MSRP: $13.99
    Save 42%
  • Pro Products 2015 Precipitation #2 Solution Refill

    Pro Products 2015 Precipitation #2 Solution Refill

    $31.99
    MSRP: $40.99
    Save 22%
  • PRO-PRODUCTS-GL05N

    PRO-PRODUCTS-GL05N

    $219.99
    MSRP: $288.99
    Save 24%
  • 2027 Pro-Products #2 hardness refill 1 oz. solution

    2027 Pro-Products #2 hardness refill 1 oz. solution

    $13.99
    MSRP: $18.99
    Save 26%
  • Pro-Products 2027 #1 hardness refill 1 oz. solution

    2025 Pro-Products #1 hardness refill 1 oz. solution

    $13.99
    MSRP: $18.99
    Save 26%
  • Hach FerroVer Iron Reagent Powder Pillows

    Hach FerroVer Iron Reagent Powder Pillows

    $36.89
    MSRP: $53.99
    Save 32%
  • Pro Products SMS100S 4oz. Softener Mate

    Pro Products SMS100S 4oz. Softener Mate

    $7.99
    MSRP: $215.04
    Save 96%
  • PRO-PRODUCTS-WM06N

    PRO-PRODUCTS-WM06N

    $13.09
  • PRO-PRODUCTS-HP41N

    PRO-PRODUCTS-HP41N

    $19.19
  • KF02N Pro Products Pot Perm Potassium Permanganate
  • PRO-PRODUCTS-RK41N

    PRO-PRODUCTS-RK41N

    $22.99
  • WF10N Pro Products Res Care Automatic Resin Cleaning System
  • PRO-PRODUCTS-2653

    PRO-PRODUCTS-2653

    $9.99
  • 2662-GL Pro Products Rid O Rust Liquid Rust Stain Remover

    2662-GL Pro Products Rid O Rust Liquid Rust Stain Remover

    $20.99
    MSRP: $21.84
    Save 4%
  • 2666 Pro Products Rid O Rust Formula 2000 Rust Stain Prevention
  • GA65N Pro Products Poly Guard Scale and Rust Preventer
  • PRO-PRODUCTS-GL41N

    PRO-PRODUCTS-GL41N

    $55.59
  • GP15S Pro Products Poly Guard Corrosion Control and Sequestrant System
  • GP63N Pro Products Poly Guard Corrosion Control and Sequestrant Crystal
  • KC02N Pro Products Pot Perm Greensand Iron Filter Regenerant (Coarse Grade)
  • PRO-PRODUCTS-KP02N

    PRO-PRODUCTS-KP02N

    $18.99
    MSRP: $21.51
    Save 12%
  • RBG-1000 Pro Products Red-B-Gone Rust and Iron Stain Remover (16 oz bottle)
  • PRO-PRODUCTS-RBG-2000

    PRO-PRODUCTS-RBG-2000

    $159.99
    MSRP: $186.29
    Save 14%
  • RF05N Pro Products Pro Easy Feeder Automatic Resin Cleaning System
  • RF10N Pro Products Pro Easy Feeder Automatic Resin Cleaning System
  • PRO-PRODUCTS-RK11K

    PRO-PRODUCTS-RK11K

    $21.79
    MSRP: $24.04
    Save 9%
  • RK64N Pro Products Res Care Automatic Resin Cleaning System

    RK64N Pro Products Res Care Automatic Resin Cleaning System

    $18.99
    MSRP: $24.14
    Save 21%
  • RO24S Pro Products Rust Out Water Softener Cleaner and Iron Remover (24-Pack)
  • PRO-PRODUCTS-RO65N

    PRO-PRODUCTS-RO65N

    $23.99
  • RU15N Pro Products Ban T Alkaline Water Neutralizer and Cleaner
  • PRO-PRODUCTS-RU64N

    PRO-PRODUCTS-RU64N

    $32.99
  • Pro Products Neutra 5 Acid Water Neutralizer (40 lb pail, # SA40L)

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