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!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

Items 1 to 48 of 74 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  • Pro Products Water Hardness Kit #3 (Model # 2029)

    Pro Products Water Hardness Kit #3 (Model # 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)
  • Neutra Sul Professional Grade Oxidizer (Pro Products HP05N)

    Neutra Sul Professional Grade Oxidizer (Pro Products HP05N)

    $59.99
    MSRP: $71.29
    Save 16%
  • Pro Neutra 7 Acid Water Neutralizer (Pro Products #SP25N)

    Pro Neutra 7 Acid Water Neutralizer (Pro Products #SP25N)

    $54.99
    MSRP: $63.24
    Save 13%
  • American Hydro Systems RR1 Rid O' Rust 2X Concentrate Rust Preventer
  • American Hydro Systems RR1-2.5 Rid O' Rust 2X Concentrate Rust Preventer (2.5 Gallon Container)
  • American Hydro Systems RR2 Rid O' Rust Extreme Water 2X Concentrate Rust Preventer
  • Pro Products 2001 Replacement Hardness #1

    Pro Products 2001 Replacement Hardness #1

    $20.99
    MSRP: $23.34
    Save 10%
  • Pro Products 11506 ProWash Activewear Detergent

    Pro Products 11506 ProWash Activewear Detergent

    $18.99
    MSRP: $24.99
    Save 24%
  • 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 2411610 Replacement Test Tube

    Pro Products 2411610 Replacement Test Tube

    $1.99
    MSRP: $5.99
    Save 67%
  • Pro Products 3493399 Hardness Test Bottle

    Pro Products 3493399 Hardness Test Bottle

    $4.99
    MSRP: $8.99
    Save 44%
  • 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 Test Instruction Placemat Promat

    Pro Products Test Instruction Placemat Promat

    $3.29
    MSRP: $6.99
    Save 53%
  • 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

    $36.79
    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 Washer Magic

    Pro Products WM06N Washer Magic

    $13.09
    MSRP: $29.99
    Save 56%
  • HP41N Pro Products Neutra Sul Professional Grade Oxidizer

    HP41N Pro Products Neutra Sul Professional Grade Oxidizer

    $19.09
    MSRP: $27.99
    Save 32%
  • KF02N Pro Products Pot Perm Potassium Permanganate
  • RK41N Pro Products Res Care Liquid Resin Cleaning Solution
  • RO-Sani-System-1PK Pro Products Reverse Osmosis System Sanitizer
  • WF10N Pro Products Res Care Automatic Resin Cleaning System
  • WS-Sani-System-1PK Pro Products Water Softener Liquid Sanitizer
  • 2653 Pro Products Rid O Rust Rust Stain Remover
  • 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
  • GL41N Pro Products Poly Guard Corrosion Control and Sequestrant Liquid
  • 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)
  • KP02N Pro Products Pot Perm Plus Greensand Iron Filter Regenerant
  • RBG-0500 Pro Products Red-B-Gone Rust and Iron Stain Remover (6 oz bottle)
  • RBG-1000 Pro Products Red-B-Gone Rust and Iron Stain Remover (16 oz bottle)
  • RF05N Pro Products Pro Easy Feeder Automatic Resin Cleaning System
  • RF10N Pro Products Pro Easy Feeder Automatic Resin Cleaning System
  • Pro Products RK11K Res Care Easy Feeder Starter Kit

    Pro Products Res Care Easy Feeder Starter Kit (#RK11K)

    $21.69
    MSRP: $29.99
    Save 28%
  • 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)
  • RO65N Pro Products Rust Out Water Softener Cleaner and Iron Remover
  • RU15N Pro Products Ban T Alkaline Water Neutralizer and Cleaner

Items 1 to 48 of 74 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top